Sentry (monitoring system): Revision history

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curprev 14:5614:56, 13 October 2023‎ 159.196.99.227 talk‎ 16,719 bytes +1‎ →‎Sentry Risk Table: date has long gone by undo

curprev 10:2010:20, 29 September 2023‎ Kheider talk contribs‎ 16,718 bytes 0‎ 37,736 VIs / 1,620 NEAs = 23 VI each undo
curprev 10:0410:04, 29 September 2023‎ Kheider talk contribs‎ 16,718 bytes −57‎ 23HM4 now 85 day arc: https://cneos.jpl.nasa.gov/sentry/details.html#?des=2023%20HM4 undo

curprev 17:2917:29, 27 September 2023‎ 170.140.105.7 talk‎ 16,775 bytes +200‎ →‎Sentry Risk Table undo

curprev 22:2622:26, 25 September 2023‎ Rockstone35 talk contribs‎ 16,575 bytes +27‎ Add convert from km/s to mi/s undo
curprev 16:0816:08, 25 September 2023‎ Novem Linguae talk contribs‎ 16,548 bytes +1‎ ce undo Tag: Visual edit

curprev 09:0409:04, 10 September 2023‎ Orenburg1 talk contribs‎ m 16,547 bytes +1‎ ce undo

curprev 02:3102:31, 21 August 2023‎ GreenC bot talk contribs‎ 16,546 bytes 0‎ Reformat 1 citation per Category:CS1 errors: archive-url. Wayback Medic 2.5 undo

curprev 12:2212:22, 11 June 2023‎ Kheider talk contribs‎ 16,546 bytes +57‎ +23 HM4 (10 meters and 1:160 for 2118-05-07) undo

curprev 09:2209:22, 4 May 2023‎ Kheider talk contribs‎ 16,489 bytes 0‎ 160 asteroids with better than a 1-in-10,000 (second largest is 2000 SB45 at 45 meters) undo

curprev 18:4018:40, 15 March 2023‎ Kheider talk contribs‎ 16,489 bytes +325‎ replace 05ED224 ... 2022 PX1 on 11 August 2040 with a 1:330000 chance of impact. undo
curprev 17:4617:46, 15 March 2023‎ Kheider talk contribs‎ 16,164 bytes 0‎ 1,538 risk-listed of 31,534 NEOs (generating 36,718 VIs) with 3,069 previously risk-listed NEOs removed. undo

curprev 15:2015:20, 11 March 2023‎ Kheider talk contribs‎ 16,164 bytes +1‎ 05ED224 failed to kill you. undo

curprev 22:5822:58, 10 January 2023‎ Emike1955 talk contribs‎ m 16,163 bytes +93‎ →‎External links: Added external link to Scout Introduction page undo

curprev 11:4311:43, 2 January 2023‎ Kheider talk contribs‎ m 16,070 bytes 0‎ No edit summary undo

curprev 15:1815:18, 30 December 2022‎ Kheider talk contribs‎ 16,070 bytes −1‎ 06RH120 = 1.3% undo
curprev 15:1215:12, 30 December 2022‎ Kheider talk contribs‎ 16,071 bytes 0‎ 1482/1510 NEAs listed, 36,131/36,345 VIs, 30,620/31121 NEAs overall, 3032/3051 removed undo

curprev 14:3214:32, 26 December 2022‎ Kheider talk contribs‎ 16,071 bytes +7‎ Rise 2022 YO1 undo

curprev 09:4309:43, 23 December 2022‎ Kheider talk contribs‎ 16,064 bytes +64‎ Return of 2010 RF12 ... I'm back! undo

curprev 17:0917:09, 20 December 2022‎ Kheider talk contribs‎ 16,000 bytes +55‎ YO! undo
curprev 13:0413:04, 20 December 2022‎ Kheider talk contribs‎ 15,945 bytes −55‎ update 22nx1 (arc from 56 days to 142 days), 22ek4 (removed 2022-12-01 with 270 day arc) undo

curprev 08:4808:48, 13 November 2022‎ Kheider talk contribs‎ 16,000 bytes +165‎ For objects larger than the Chelyabinsk meteor and better than 1:1 million also include Impact Probability ≥ 1e-6 and H≤26 (17–38 meters). undo
curprev 07:5007:50, 13 November 2022‎ Kheider talk contribs‎ 15,835 bytes +56‎ →‎Sentry Risk Table: +22SX55 undo

curprev 07:0807:08, 12 November 2022‎ Kheider talk contribs‎ m 15,779 bytes −1‎ sp undo

curprev 10:5810:58, 11 November 2022‎ Kheider talk contribs‎ 15,780 bytes +16‎ {{anchor|2023}} undo

curprev 22:4122:41, 10 November 2022‎ Citation bot talk contribs‎ 15,764 bytes −2‎ Alter: title. | Use this bot. Report bugs. | Suggested by Abductive | Category:Articles containing potentially dated statements from October 2022 | #UCB_Category 924/953 undo
curprev 13:4713:47, 10 November 2022‎ Kheider talk contribs‎ m 15,766 bytes 0‎ No edit summary undo
curprev 13:4513:45, 10 November 2022‎ Kheider talk contribs‎ 15,766 bytes 0‎ 1451/1482 NEAs, 35549/36131 VIs // 1482-385=~1100 Chelyabinsk // 147=1e-4 (1:10000) undo

curprev 23:1823:18, 9 November 2022‎ Kheider talk contribs‎ 15,766 bytes +1,428‎ The asteroid with the greatest chance of impacting Earth in 2023 is {{mp|2016 LP|10}} (4-meters in diameter) with less than a 1-day observation arc.<ref name="VIs"/> undo
curprev 21:3921:39, 9 November 2022‎ 2a00:23c5:fe18:2701:64ea:3df:8b66:afba talk‎ 14,338 bytes 0‎ comma not semicolon undo
curprev 18:5918:59, 9 November 2022‎ Kheider talk contribs‎ 14,338 bytes −126‎ No edit summary undo

curprev 05:5105:51, 17 October 2022‎ 124.110.172.170 talk‎ 14,464 bytes +2‎ →‎Numbers undo

curprev 21:5621:56, 10 October 2022‎ Meno25 talk contribs‎ 14,462 bytes −11‎ →‎See also undo

curprev 08:3608:36, 4 October 2022‎ Kheider talk contribs‎ 14,473 bytes +35‎ →‎References undo
curprev 08:3108:31, 4 October 2022‎ Kheider talk contribs‎ 14,438 bytes +27‎ No edit summary undo

curprev 14:5014:50, 2 October 2022‎ Kheider talk contribs‎ 14,411 bytes 0‎ 2011 BT59 removed on 2022-09-01 so go with 2015 RD36 undo
curprev 14:3914:39, 2 October 2022‎ Kheider talk contribs‎ 14,411 bytes 0‎ @AVERAGE(G1:G23) = 0.122 undo

curprev 11:4011:40, 1 October 2022‎ Kheider talk contribs‎ 14,411 bytes 0‎ 30080 NEOs, 35,549 VIs, 1451 risk-listed, 17 H<22, 3003 removed undo

curprev 18:5418:54, 19 September 2022‎ Kheider talk contribs‎ 14,411 bytes −61‎ replace 2010 RF12 (recovered) with 2020 CD3 undo

curprev 12:3212:32, 12 September 2022‎ Kheider talk contribs‎ 14,472 bytes −63‎ Remove 2022 QX4 now that the observation arc has jumped from 17 days to 9 years. undo

curprev 12:2112:21, 7 September 2022‎ Kheider talk contribs‎ 14,535 bytes 0‎ →‎Sentry Risk Table: QX4 @ 0.69% https://archive.ph/hikGc undo

curprev 12:3912:39, 6 September 2022‎ Kheider talk contribs‎ 14,535 bytes 0‎ →‎Sentry Risk Table undo
curprev 01:2701:27, 6 September 2022‎ Kheider talk contribs‎ 14,535 bytes +62‎ →‎Sentry Risk Table: NX1 @ 1.2% +QX4 undo

curprev 13:2713:27, 26 August 2022‎ Kheider talk contribs‎ 14,473 bytes 0‎ →‎Numbers: 29500 NEOs, 1431 risk-listed, 17 H<22, 2981 removed undo
curprev 12:5612:56, 26 August 2022‎ 90.167.94.198 talk‎ 14,473 bytes 0‎ →‎Numbers undo

curprev 02:0202:02, 15 August 2022‎ Kheider talk contribs‎ 14,473 bytes +18‎ →‎Scout: Near-Earth Object Confirmation Page undo

curprev 18:2218:22, 5 August 2022‎ Kheider talk contribs‎ 14,455 bytes +224‎ →‎Sentry Risk Table: Sentry-II defaults to a Impact Pseudo-Observation (IOBS) analysis technique that runs an extended orbit-determination filter that tries to converge to an impacting solution compatible with the observational data. undo
curprev 15:3915:39, 5 August 2022‎ Kheider talk contribs‎ 14,231 bytes +94‎ No edit summary undo

curprev 22:1522:15, 3 August 2022‎ Kheider talk contribs‎ 14,137 bytes −305‎ 08EM68 removed from Sentry. Replace with 2017 SA20 undo
curprev 10:3910:39, 3 August 2022‎ Kheider talk contribs‎ 14,442 bytes 0‎ NX1 || 0.83% || 2076-12-01 || 9 || 31 undo

curprev 08:1108:11, 2 August 2022‎ Kheider talk contribs‎ 14,442 bytes 0‎ NX1 || 0.74% || 2077-11-29 || 9 || 25 undo

curprev 09:3309:33, 27 July 2022‎ Kheider talk contribs‎ 14,442 bytes 0‎ →‎Sentry Risk Table: https://archive.ph/5cCy1 undo

curprev 16:3716:37, 25 July 2022‎ Kheider talk contribs‎ 14,442 bytes 0‎ NX1: Arc = 21.9 days @ 0.81% (8.1e-3) ==> https://archive.ph/ZAjxY undo

curprev 07:2307:23, 23 July 2022‎ Kheider talk contribs‎ 14,442 bytes +63‎ →‎Sentry Risk Table: +2022 NX1 undo

curprev 06:4806:48, 11 July 2022‎ Kheider talk contribs‎ 14,379 bytes +476‎ In 2021 JPL launched Sentry-II which handles the Yarkovsky effect that can significantly change a small asteroids path over decades and centuries.<ref name="Sentry-II"/> undo

curprev 13:0113:01, 10 June 2022‎ Kheider talk contribs‎ 13,903 bytes −25‎ Of the 130 asteroids with better than a 1-in-10,000 chance of impacting Earth only 101955 Bennu is larger than 50 meters in diameter. (remove 1950 DA @ 1:34,000) undo

curprev 13:1213:12, 9 June 2022‎ Kheider talk contribs‎ 13,928 bytes 0‎ 08EM68 missed 84 VIs (next is 2022-09-07) undo
curprev 13:0113:01, 9 June 2022‎ Kheider talk contribs‎ 13,928 bytes 0‎ 35,979 VIs (35,979/1413=25.4) // avg size 130 undo
curprev 12:4812:48, 9 June 2022‎ Kheider talk contribs‎ 13,928 bytes 0‎ →‎Numbers: 29,000 NEAs // 1413 listed // 2956 removed undo

curprev 23:4223:42, 8 June 2022‎ Kheider talk contribs‎ 13,928 bytes +57‎ →‎Sentry Risk Table: +| {{mp|2022 EK|4}} || 0.34% || 2081-03-15 || 18 || 12 undo

curprev 03:3703:37, 9 February 2022‎ Exoplanetaryscience talk contribs‎ 13,871 bytes −57‎ No edit summary undo

curprev 03:0903:09, 6 February 2022‎ Exoplanetaryscience talk contribs‎ 13,928 bytes +1‎ No edit summary undo

curprev 10:3410:34, 17 January 2022‎ Kheider talk contribs‎ 13,927 bytes +444‎ More eccentric orbits (such as {{mp|2011 BT|59}}) that extend to nearly the orbit of Jupiter can make atmospheric entry at velocities of ~40 km/s.<ref name=velocity/> undo

curprev 17:0717:07, 15 January 2022‎ Kheider talk contribs‎ 13,483 bytes −2‎ 34,996 / 1365 = No change // 1/(3.29E-3) undo
curprev 16:4116:41, 15 January 2022‎ Kheider talk contribs‎ 13,485 bytes +1‎ →‎Numbers: 28000 NEOs, 1365 risk=listed. 20 PHOs, Chel=1365-370=995, 2,888 removed undo

curprev 16:4016:40, 13 January 2022‎ Spiffy sperry talk contribs‎ 13,484 bytes −22‎ →‎Sentry Risk Table: delete "in the last few years" since this list spans 10 years undo

curprev 21:0721:07, 6 December 2021‎ Pjvpjv talk contribs‎ 13,506 bytes +87‎ →‎External links: Added simplified list undo

curprev 00:1100:11, 5 December 2021‎ Pjvpjv talk contribs‎ m 13,419 bytes +76‎ →‎External links: Add one additional external list of possible collisions undo
curprev 00:0900:09, 5 December 2021‎ Pjvpjv talk contribs‎ m 13,343 bytes +23‎ →‎External links: Re-order to put all sentry links first, clarify other listings undo

curprev 09:4009:40, 14 November 2021‎ Kheider talk contribs‎ 13,320 bytes +121‎ The average size of an object on the default page of Sentry is 111 meters with an average impact probability of 1:30000. undo

curprev 09:3709:37, 2 November 2021‎ Kheider talk contribs‎ 13,199 bytes 0‎ 18/1291 = 0.0139 so 99% are not PHAs @ "140+ meters in diameter" undo
curprev 09:2909:29, 2 November 2021‎ Kheider talk contribs‎ 13,199 bytes +1‎ 34145 VI / 1291 asteroids = 26 VI per asteroid. (Some have 1 and some have thousands.) Only 18 PHAs risk-listed. 27000+ NEOs with only 1291 risk-listed. 2866 removed undo
curprev 09:1709:17, 2 November 2021‎ Kheider talk contribs‎ 13,198 bytes 0‎ 2008 EM68 == 82 of 1147 through 2021-09-12 undo

curprev 03:0403:04, 22 October 2021‎ WikiCleanerBot talk contribs‎ m 13,198 bytes 0‎ v2.04b - Bot T20 CW#61 - Fix errors for CW project (Reference before punctuation) undo Tag: WPCleaner

curprev 03:3003:30, 16 October 2021‎ Exoplanetaryscience talk contribs‎ 13,198 bytes +36‎ →‎See also undo
curprev 03:3003:30, 16 October 2021‎ Exoplanetaryscience talk contribs‎ 13,162 bytes +283‎ →‎Scout undo
curprev 03:2203:22, 16 October 2021‎ Exoplanetaryscience talk contribs‎ 12,879 bytes +65‎ →‎Sentry Risk Table undo

curprev 13:0713:07, 13 October 2021‎ Kheider talk contribs‎ 12,814 bytes +126‎ rise 2009 JF1 undo

curprev 09:0109:01, 25 August 2021‎ Kheider talk contribs‎ 12,688 bytes 0‎ →‎Numbers: 25000/26000 NEOs, 1146/1241 listed, 30/19 "H<22", 97%/98% "H>22", 800/900 chelys "H>26", 2660/2821 removed undo

curprev 05:3605:36, 16 August 2021‎ Kiwikiu talk contribs‎ m 12,688 bytes +1‎ →‎Sentry Risk Table: typo corrected undo

curprev 16:2916:29, 3 August 2021‎ JoeNMLC talk contribs‎ 12,687 bytes +83‎ copyedit, add portal bar undo
curprev 16:2816:28, 3 August 2021‎ JoeNMLC talk contribs‎ 12,604 bytes +172‎ →‎See also: additional undo

curprev 17:4417:44, 30 June 2021‎ Kheider talk contribs‎ 12,432 bytes −57‎ 21LD6 @ 1/4300 w/ 26 day arc undo

curprev 23:5523:55, 29 June 2021‎ GreenC bot talk contribs‎ 12,489 bytes +448‎ Rescued 3 archive links; reformat 4 links. Wayback Medic 2.5 undo

curprev 17:5117:51, 16 June 2021‎ Kheider talk contribs‎ 12,041 bytes 0‎ 21LD6 @ 0.74% undo

curprev 13:0513:05, 15 June 2021‎ Kheider talk contribs‎ 12,041 bytes +1‎ update 20CD3 undo
curprev 02:0002:00, 15 June 2021‎ Kheider talk contribs‎ 12,040 bytes +57‎ +{{mp|2021 LD|6}} || 0.60% || 2079-06-28 || 11 || 10 undo

curprev 18:2818:28, 16 May 2021‎ Maxipups Mamsipupsovich talk contribs‎ 11,983 bytes +3‎ No edit summary undo Tag: Visual edit

curprev 14:2014:20, 27 April 2021‎ Kheider talk contribs‎ 11,980 bytes +141‎ →‎Sentry Risk Table: The switch to DE441 also briefly added in the harmless Jupiter trojan 2014 ES57 with a very low impact probability of about 1:1-billion. undo

curprev 20:3620:36, 19 April 2021‎ Kheider talk contribs‎ m 11,839 bytes −1‎ move VV up one undo
curprev 13:2713:27, 19 April 2021‎ Kheider talk contribs‎ 11,840 bytes +179‎ which removed the very low impact probability of short-arc 2014 MV67 which had been less than 1:1-billion. undo

curprev 10:4710:47, 17 April 2021‎ Kheider talk contribs‎ 11,661 bytes 0‎ DE441/SB441-N16 update undo

curprev 21:4221:42, 12 April 2021‎ Kheider talk contribs‎ 11,661 bytes +132‎ In April 2021, Sentry will be transitioning to DE441. undo

curprev 20:4620:46, 3 April 2021‎ Arjayay talk contribs‎ m 11,529 bytes −4‎ Duplicate word removed undo

curprev 22:1622:16, 2 April 2021‎ Kheider talk contribs‎ 11,533 bytes +61‎ "as they were likely quite distant from the Earth at the time" undo
curprev 15:1615:16, 2 April 2021‎ Kheider talk contribs‎ 11,472 bytes +278‎ There are 1146 near-Earth asteroids listed on the risk table with 36,637 virtual impactor dates. For each asteroid listed on the risk table there are on average about 30 virtual impactors. Only about 30 objects on the risk list are large enough to be considered potentially hazardous objects with a diameter greater than about 140 meters. undo

curprev 15:3815:38, 29 March 2021‎ Kheider talk contribs‎ 11,194 bytes +1‎ split lead into 2 paragraphs undo
curprev 15:2515:25, 29 March 2021‎ Kheider talk contribs‎ 11,193 bytes +11‎ Center for Near-Earth Object Studies undo
curprev 14:2014:20, 29 March 2021‎ Kheider talk contribs‎ 11,182 bytes +1‎ move 2020 VW up. undo
curprev 13:5413:54, 29 March 2021‎ Kheider talk contribs‎ 11,181 bytes 0‎ update 2020vv undo

curprev 13:5713:57, 27 March 2021‎ Kheider talk contribs‎ 11,181 bytes +2‎ rise 2005 ED224 undo
curprev 04:1004:10, 27 March 2021‎ Kheider talk contribs‎ 11,179 bytes +153‎ Since it has not been observed since 2005 and has an orbital period of {{val|2.6|0.3|u=years}}, we do not know where on its orbit {{mp|2005 ED|224}} is. undo
curprev 01:4801:48, 27 March 2021‎ Kheider talk contribs‎ 11,026 bytes +129‎ (Having not been observed since 2005 with an orbital period of 2.6±0.3 years, we do not know where on its orbit 2005 ED224 is.) undo

curprev 20:5020:50, 26 March 2021‎ Kheider talk contribs‎ 10,897 bytes +401‎ Make Doom with 2005 ED224 undo
curprev 19:0819:08, 26 March 2021‎ Kheider talk contribs‎ 10,496 bytes −5‎ 99942 Apophis REMOVED! undo
curprev 05:2205:22, 26 March 2021‎ Kheider talk contribs‎ 10,501 bytes +1‎ →‎Sentry Risk Table undo

curprev 12:5412:54, 19 March 2021‎ Kheider talk contribs‎ 10,500 bytes +1‎ →‎External links: risk-**page** now risk-**list** undo

curprev 15:1315:13, 14 March 2021‎ Kheider talk contribs‎ 10,499 bytes +350‎ With a 3-hour observation arc, {{mp|2008 EM|68}} has the most virtual impactors and has missed 74 of 1147 virtual impactor dates.<ref name="Sentry-2008EM68"/> undo

curprev 22:2922:29, 10 March 2021‎ Kheider talk contribs‎ 10,149 bytes +43‎ https://web.archive.org/web/20021208202559/http://www.hohmanntransfer.com/by/giorgjon.htm undo

curprev 14:4814:48, 9 March 2021‎ Kheider talk contribs‎ 10,106 bytes +9‎ No edit summary undo
curprev 14:2714:27, 9 March 2021‎ Kheider talk contribs‎ 10,097 bytes +163‎ Of the 95 asteroids with better than a 1-in-10,000 chance of impacting Earth only (29075) 1950 DA and 101955 Bennu are larger than 50 meters in diameter: ==> Unconstrained, Impact prob >= 1e-4, sort diameter. 3rd is 2000 SB45 @ 46 meters & 1:6200 undo

curprev 03:0203:02, 24 January 2021‎ Monkbot talk contribs‎ m 9,170 bytes −11‎ Task 18 (cosmetic): eval 6 templates: del empty params (1×); hyphenate params (5×); undo Tag: AWB

curprev 04:3404:34, 19 December 2020‎ Kheider talk contribs‎ 9,181 bytes +30‎ Bold for linked undo

curprev 19:0219:02, 16 December 2020‎ Kheider talk contribs‎ 9,151 bytes −1‎ →‎JPL SBDB comparison undo
curprev 18:5818:58, 16 December 2020‎ Kheider talk contribs‎ 9,152 bytes +260‎ The JPL Small-Body Database close approach table lists a linearized uncertainty. Sentry computations explore alternate orbit solutions along the line of variations and accounts for orbit propagation nonlinearities. (20201120) undo

curprev 07:2707:27, 9 December 2020‎ Kheider talk contribs‎ 8,892 bytes 0‎ (410777) 2009 FD removed. undo

curprev 18:3018:30, 5 December 2020‎ Kheider talk contribs‎ 8,892 bytes +944‎ +Table: Objects with better than a 1/600 (0.17%) cumulative chance of impact undo

curprev 21:4221:42, 2 December 2020‎ Dobblestein talk contribs‎ m 7,948 bytes +1‎ →‎Numbers: added a comma after the date undo Tag: Visual edit

curprev 06:1106:11, 17 November 2020‎ Kheider talk contribs‎ 7,947 bytes +127‎ 2020VV risk corridor.png|thumb|right|Asteroid 2020 VV risk corridor for the virtual impactor of 12 October 2033. undo

curprev 12:5912:59, 5 November 2020‎ Rod57 talk contribs‎ m 7,820 bytes +97‎ →‎top: {{short description|JPL program to monitor asteroid catalogs for potentially hazardous objects}} undo

curprev 05:0205:02, 27 October 2020‎ 78.54.67.65 talk‎ 7,723 bytes +2‎ →‎Sentry Risk Table: using gender-neutral language undo Tags: Mobile edit Mobile app edit Android app edit

curprev 05:0805:08, 25 October 2020‎ Beland talk contribs‎ m 7,721 bytes +1‎ avoid contraction undo

curprev 22:1722:17, 22 October 2020‎ DPdH talk contribs‎ 7,720 bytes +17‎ →‎Sentry Risk Table: Added wikilink. undo

curprev 01:2701:27, 8 June 2020‎ Kheider talk contribs‎ 7,703 bytes 0‎ H<=22 is 38 (was 43). Chelyabinsk from 600 to 700 undo
curprev 01:2201:22, 8 June 2020‎ Kheider talk contribs‎ 7,703 bytes +1‎ 2020|6 == 23000 NEOs vs 1023 risk-listed undo

curprev 16:2116:21, 18 January 2020‎ Kheider talk contribs‎ 7,702 bytes 0‎ 2400 removed undo
curprev 16:1916:19, 18 January 2020‎ Kheider talk contribs‎ m 7,702 bytes 0‎ →‎Numbers undo
curprev 16:1716:17, 18 January 2020‎ Kheider talk contribs‎ 7,702 bytes 0‎ 2020|1 == 21,800 // 972 undo

curprev 14:3414:34, 21 October 2019‎ Evrstz talk contribs‎ 7,702 bytes +56‎ →‎Numbers undo Tag: Visual edit

curprev 00:3100:31, 23 September 2019‎ Tom.Reding talk contribs‎ m 7,646 bytes +8‎ Category:CS1 errors: deprecated parameters: migrate 1/1 |dead-url= to |url-status=; minor cleanup; WP:GenFixes on undo Tag: AWB

curprev 07:4207:42, 4 September 2019‎ Kheider talk contribs‎ 7,638 bytes +13‎ →‎See also: * NEODyS undo

curprev 19:1919:19, 1 September 2019‎ Kheider talk contribs‎ 7,625 bytes 0‎ →‎Numbers: 9 // 20,"6"00 // 9"22" // 4"3" undo

curprev 20:1320:13, 24 August 2019‎ Kheider talk contribs‎ m 7,625 bytes +43‎ No edit summary undo
curprev 17:5917:59, 24 August 2019‎ Kheider talk contribs‎ 7,582 bytes +37‎ Most objects on the Sentry Risk Table have an observation arc of less than 14 days ***and have not been observed for years.*** undo

curprev 17:4217:42, 22 August 2019‎ Kheider talk contribs‎ 7,545 bytes +5‎ →‎Numbers: 42 PHAs as these objects are much less rare than they were a few years ago ==> 42/918=0.045 so 95% fail as PHOs undo
curprev 16:2216:22, 22 August 2019‎ Kheider talk contribs‎ 7,540 bytes +3‎ introduce the term "virtual impactor" to the lead undo
curprev 08:2608:26, 22 August 2019‎ Kheider talk contribs‎ 7,537 bytes +138‎ →‎Numbers: Roughly 600 of these risk-listed near-Earth asteroids are estimated to be about the size of the Chelyabinsk meteor (H>26) or smaller. undo
curprev 08:1308:13, 22 August 2019‎ Kheider talk contribs‎ 7,399 bytes −866‎ Remove very dated statement from 2013. Now-a-days roughly 520+ NEAs have better than a 1:1000000 (1.0e-6) of impact in the next 100 years. undo

curprev 16:2416:24, 19 August 2019‎ Kheider talk contribs‎ 8,265 bytes +137‎ Lost asteroids {{mpl|2007 FT|3}} and {{mpl|2014 MV|67}} with their very short 1-day observation arcs have missed virtual impactor dates. undo
curprev 15:4815:48, 19 August 2019‎ Kheider talk contribs‎ 8,128 bytes +14‎ +subsection: Numbers undo
curprev 15:3715:37, 19 August 2019‎ Kheider talk contribs‎ 8,114 bytes +6‎ **Almost all** objects on the risk table are too small to qualify as a potentially hazardous object undo

curprev 23:1123:11, 15 August 2019‎ Kheider talk contribs‎ 8,108 bytes +57‎ ; H<=22 for list of PHAs undo

curprev 09:4109:41, 12 August 2019‎ 109.252.67.138 talk‎ 8,051 bytes +20‎ Added "2006 QV89" to list removed from Sentry Risk Table. undo

curprev 21:5021:50, 25 July 2019‎ 47.184.112.103 talk‎ 8,031 bytes +300‎ Makes more on how many of the objects on the Sentry Risk Table are too small to qualify as a PHO (Only around 40 on the table have an absolute magnitude of > 22) undo Tags: Visual edit Mobile edit Mobile web edit
curprev 03:3103:31, 25 July 2019‎ Kheider talk contribs‎ 7,731 bytes +77‎ (Click "Use Unconstrained Settings" to see how many objects are on the list) undo
curprev 03:2903:29, 25 July 2019‎ Kheider talk contribs‎ 7,654 bytes +48‎ there are over 20,000 near-Earth objects of which roughly 920 near-Earth asteroids are listed on the risk table. undo

curprev 11:3911:39, 8 July 2019‎ Kheider talk contribs‎ 7,606 bytes +62‎ (Search for "P/" to list comets removed.) undo

curprev 09:5109:51, 5 July 2019‎ Kheider talk contribs‎ 7,544 bytes +5‎ rise 300P/Catalina undo

curprev 23:3923:39, 3 July 2019‎ Kheider talk contribs‎ 7,539 bytes +124‎ The only two comets that briefly appeared on the Sentry Risk Page are 197P/LINEAR (2003 KV2) and 300P/Catalina (2005 JQ5). undo

curprev 00:0500:05, 27 June 2019‎ Kheider talk contribs‎ 7,415 bytes +8‎ +modest undo

curprev 23:0823:08, 26 June 2019‎ Kheider talk contribs‎ 7,407 bytes +657‎ +Scout: Sentry's little brother Scout scans recently detected objects on the Minor Planet Center's NEO Confirmation Page undo

curprev 01:4601:46, 11 June 2019‎ 2600:1700:5560:4750:e42f:ac51:561b:e66b talk‎ 6,750 bytes 0‎ →‎Sentry Risk Table: Updated content undo Tags: Mobile edit Mobile web edit

curprev 20:1820:18, 6 June 2019‎ Kheider talk contribs‎ 6,750 bytes +47‎ →‎External links: [http://neo.ssa.esa.int/risk-page Risk List] undo

curprev 15:1515:15, 3 May 2019‎ Kheider talk contribs‎ 6,703 bytes 0‎ 2019|5 == 2281 removed undo
curprev 15:0915:09, 3 May 2019‎ Rich Farmbrough talk contribs‎ 6,703 bytes 0‎ →‎See also: Correct caps in section header. undo
curprev 15:0915:09, 3 May 2019‎ Rich Farmbrough talk contribs‎ 6,703 bytes +28‎ Copyedit. Date formats undo

curprev 08:5708:57, 1 March 2019‎ Kheider talk contribs‎ 6,675 bytes +88‎ Most objects on the Sentry Risk Table have an observation arc of less than 14 days. undo
curprev 00:2000:20, 1 March 2019‎ Kheider talk contribs‎ 6,587 bytes +157‎ Sometimes, it can't even be said for certain what side of the Sun such an object will be on at the time of the listed possible impact.<ref name="Giorgini"/> undo

curprev 08:5608:56, 18 February 2019‎ Kheider talk contribs‎ 6,430 bytes +16‎ →‎External links undo
curprev 08:5508:55, 18 February 2019‎ Kheider talk contribs‎ 6,414 bytes −14‎ https://newton.spacedys.com/neodys/ undo
curprev 02:0902:09, 18 February 2019‎ Kheider talk contribs‎ 6,428 bytes 0‎ {{As of|2019|2}} there are roughly 900 near-Earth asteroids listed on the risk table<ref name="risk-table"/> and roughly 2246 asteroids have been removed from the risk table undo

curprev 03:3203:32, 10 January 2019‎ Jim.henderson talk contribs‎ 6,428 bytes +10‎ →‎Sentry Risk Table: lost minor planet link undo Tags: Mobile edit Mobile web edit

curprev 16:4116:41, 7 January 2019‎ Auric talk contribs‎ 6,418 bytes −4‎ →‎References: comment out unused cite undo
curprev 07:3607:36, 7 January 2019‎ 2407:7000:9b10:2600:fd38:622b:d988:3239 talk‎ 6,422 bytes −142‎ →‎Sentry Risk Table: Removed out of date information undo Tags: Mobile edit Mobile web edit

curprev 21:2421:24, 5 December 2018‎ RobSiddall talk contribs‎ 6,564 bytes +47‎ Added ref to JPL CNEOS undo

curprev 20:3920:39, 25 August 2018‎ Rafflesgluft talk contribs‎ m 6,517 bytes +3‎ restored the word "monitor" to opening sentence undo
curprev 15:1315:13, 25 August 2018‎ Rafflesgluft talk contribs‎ 6,514 bytes +28‎ Added link to Asteroid impact prediction article undo
curprev 15:1015:10, 25 August 2018‎ Rafflesgluft talk contribs‎ 6,486 bytes +66‎ Added see also section, including link to Asteroid impact prediction undo

curprev 23:1223:12, 16 March 2018‎ InternetArchiveBot talk contribs‎ 6,420 bytes +342‎ Rescuing 2 sources and tagging 0 as dead. #IABot (v1.6.5) (Artix Kreiger) undo

curprev 17:5317:53, 3 March 2018‎ Kheider talk contribs‎ 6,078 bytes +95‎ →‎Sentry Risk Table: 59 was determined to be a harmless main belt asteroid in 2014. undo

curprev 05:0605:06, 24 February 2018‎ Exoplanetaryscience talk contribs‎ 5,983 bytes +33‎ →‎External links undo

curprev 04:1704:17, 30 January 2018‎ KolbertBot talk contribs‎ m 5,950 bytes +1‎ Bot: HTTP→HTTPS (v481) undo

curprev 05:0905:09, 28 January 2018‎ Kheider talk contribs‎ 5,949 bytes +19‎ +{{mpl|2017 XO|2}} undo

curprev 19:2219:22, 27 January 2018‎ Kheider talk contribs‎ 5,930 bytes +263‎ {{mpl|2010 GZ|60}} with an almost worthless 1.3 day observation arc has missed 4 virtual impactor dates.<ref name=Sentry20170504/> undo
curprev 18:4718:47, 27 January 2018‎ Kheider talk contribs‎ 5,667 bytes +29‎ Minor planet designation|Numbered undo
curprev 18:4318:43, 27 January 2018‎ Kheider talk contribs‎ 5,638 bytes +101‎ {{mpl|2010 RF|12}} is the asteroid with greatest probability (5%) of impacting Earth, but is only ~7 meters in diameter. undo

curprev 09:0809:08, 23 January 2018‎ Kheider talk contribs‎ 5,537 bytes 0‎ {{As of|2018|1}} 818/2097 undo

curprev 18:5118:51, 26 November 2017‎ Kheider talk contribs‎ 5,537 bytes 0‎ move {{mpl|1994 WR|12}} undo

curprev 15:5515:55, 11 September 2017‎ KolbertBot talk contribs‎ m 5,537 bytes +1‎ Bot: HTTP→HTTPS undo

curprev 02:3902:39, 20 August 2017‎ Thedreammurad talk contribs‎ m 5,536 bytes +117‎ No edit summary undo

curprev 22:1022:10, 13 April 2017‎ Kheider talk contribs‎ 5,419 bytes +4‎ https://cneos.jpl.nasa.gov/sentry/notes.html undo
curprev 22:0622:06, 13 April 2017‎ Kheider talk contribs‎ 5,415 bytes +2‎ https://cneos.jpl.nasa.gov/sentry/ undo

curprev 01:0201:02, 11 April 2017‎ Kheider talk contribs‎ 5,413 bytes +50‎ and re-directed the classic page on 10 April 2017. undo

curprev 21:1021:10, 10 April 2017‎ Kheider talk contribs‎ 5,363 bytes −17‎ https://neo.jpl.nasa.gov/sentry/ undo

curprev 01:5801:58, 5 April 2017‎ 2605:a601:443:5c00:58cb:5c4d:7b4e:ba1c talk‎ 5,380 bytes +1‎ No edit summary undo

curprev 13:4313:43, 4 April 2017‎ Jogar2 talk contribs‎ 5,379 bytes −131‎ →‎External links: Site is being retired and replaced undo

curprev 07:0407:04, 28 February 2017‎ Bender the Bot talk contribs‎ m 5,510 bytes +1‎ →‎References: HTTP→HTTPS for The New York Times. using AWB undo

curprev 21:3021:30, 25 February 2017‎ Kheider talk contribs‎ 5,509 bytes +74‎ #2000 = 2017 BO32 ==> http://archive.is/qMGT1 undo

curprev 19:4319:43, 28 September 2016‎ Inventorfrog talk contribs‎ 4,939 bytes −1‎ Tried to remove the bias undo

curprev 19:0619:06, 15 August 2016‎ Lithopsian talk contribs‎ 4,940 bytes −15‎ remove stub tag undo

curprev 04:0804:08, 15 July 2016‎ CaptainStegge talk contribs‎ m 4,955 bytes +1‎ No edit summary undo

curprev 08:4708:47, 26 November 2015‎ 202.160.35.75 talk‎ 4,954 bytes −272‎ No edit summary undo

curprev 09:1809:18, 6 November 2015‎ Kheider talk contribs‎ 5,226 bytes +136‎ →‎External links: * [https://www.youtube.com/watch?v=8M_27st1ZCI&t=142 Asteroid Hazards, Part 3: Finding the Path] – Minor Planet Center on YouTube (discussing 2012UE34) undo

curprev 20:0320:03, 19 October 2015‎ Kheider talk contribs‎ 5,090 bytes +28‎ with a diameter of 75 meters and undo
curprev 19:5019:50, 19 October 2015‎ Kheider talk contribs‎ 5,062 bytes +147‎ Based on the Sentry Palermo rating, the most threatening asteroid with a chance of impact in 2015 is {{mp|2007 KO|4}} with a 1 in a million chance of impact on 24 November 2015.<ref name="risk-table"/> undo

curprev 06:4706:47, 3 September 2015‎ Ravenswing talk contribs‎ 4,915 bytes +35‎ Added {{essay-like}} tag to article (TW) undo

curprev 20:4820:48, 31 August 2015‎ Dspark76 talk contribs‎ 4,880 bytes +22‎ →‎Sentry Risk Table: wikilink lost undo

curprev 04:1604:16, 23 January 2015‎ 178.93.233.241 talk‎ 4,858 bytes +47‎ →‎External links undo
curprev 04:1404:14, 23 January 2015‎ 178.93.233.241 talk‎ 4,811 bytes +22‎ No edit summary undo

curprev 18:2718:27, 15 December 2014‎ Kheider talk contribs‎ 4,789 bytes +62‎ The most threatening asteroid of 2015 is {{mpl|2007 VE|191}}. undo

curprev 14:1414:14, 3 July 2014‎ Kheider talk contribs‎ 4,727 bytes +1‎ technically it looks beyond 100 years so call it "100+ years" undo

curprev 20:0220:02, 1 April 2014‎ Kheider talk contribs‎ 4,726 bytes −28‎ 2007 VK184 removed. undo

curprev 14:2914:29, 24 March 2014‎ Kheider talk contribs‎ 4,754 bytes +133‎ For near-Earth asteroids without a well determined diameter, Sentry assumes a generic albedo of 0.15. undo

curprev 07:5907:59, 20 February 2014‎ Rybec talk contribs‎ m 4,621 bytes +3‎ grammar undo

curprev 09:5309:53, 1 February 2014‎ Rjwilmsi talk contribs‎ m 4,618 bytes 0‎ cite date clean up using AWB (9889) undo

curprev 10:4810:48, 24 January 2014‎ Kheider talk contribs‎ 4,618 bytes +19‎ Historical: +367943 Duende undo
curprev 10:4410:44, 24 January 2014‎ Kheider talk contribs‎ 4,599 bytes +220‎ Notable asteroids removed from Sentry in the last few years include (most recently removed listed first): {{mpl|2013 BP|73}}, {{mpl|2008 CK|70}}, {{mpl|2013 TV|135}}, {{mpl|2011 BT|15}}, and {{mpl|2011 AG|5}}. --> provides historical context undo

curprev 12:1212:12, 23 January 2014‎ Kheider talk contribs‎ 4,379 bytes −40‎ 2008 CK70 and 2013 BP73 no longer listed on the risk table due to precovery images. undo

curprev 14:3014:30, 2 December 2013‎ Spiffy sperry talk contribs‎ 4,419 bytes +21‎ Undid revision 578454175 by me, since (29075) 1950 DA is now back on the list undo

curprev 20:4020:40, 23 October 2013‎ Spiffy sperry talk contribs‎ 4,398 bytes −21‎ (29075) 1950 DA removed from list today, http://neo.jpl.nasa.gov/risk/removed.html undo

curprev 02:0202:02, 19 October 2013‎ Nickst talk contribs‎ 4,419 bytes +8‎ removed Category:Near-Earth objects; added Category:Near-Earth object tracking using HotCat undo
curprev 01:3801:38, 19 October 2013‎ Nickst talk contribs‎ 4,411 bytes −8‎ {{Planetary defense}} undo

curprev 19:4019:40, 18 October 2013‎ Spiffy sperry talk contribs‎ m 4,419 bytes +1‎ apostrophe undo

curprev 13:3313:33, 13 October 2013‎ InternetMeme talk contribs‎ 4,418 bytes +6‎ Corrected conversational language. undo

curprev 15:1815:18, 11 October 2013‎ Kheider talk contribs‎ 4,412 bytes +21‎ +(29075) 1950 DA as of 2013-Oct-04 undo

curprev 14:0414:04, 7 September 2013‎ Kheider talk contribs‎ 4,391 bytes +99‎ {{mpl|1997 XR|2}} was serendipitously rediscovered in 2006 after being lost for more than 8 years undo

curprev 06:0406:04, 27 August 2013‎ Kheider talk contribs‎ m 4,292 bytes +1‎ 2013-Aug-12 undo
curprev 00:1000:10, 27 August 2013‎ Kheider talk contribs‎ 4,291 bytes +29‎ Perturbation (astronomy)|perturbations undo

curprev 18:5418:54, 26 August 2013‎ Kheider talk contribs‎ 4,262 bytes +449‎ DE431 (JPL small-body perturber ephemeris: SB431-BIG16) better models the gravitational perturbations of the planets and includes the 16 most massive main-belt asteroids.<ref name="notes"/> undo

curprev 01:5101:51, 16 August 2013‎ Kheider talk contribs‎ 3,813 bytes +38‎ +2008 CK70, 2010 RF12 undo

curprev 21:5921:59, 11 August 2013‎ Kheider talk contribs‎ 3,775 bytes +121‎ On 7 August 2013, the Sentry Risk Table started using planetary ephemeris (DE431) for all NEO orbit determinations. undo

curprev 22:3122:31, 28 July 2013‎ Kheider talk contribs‎ 3,654 bytes +20‎ +2013 BP73 undo

curprev 09:3909:39, 27 July 2013‎ Kheider talk contribs‎ 3,634 bytes −7‎ 2011 BT15 was removed from Sentry on 17 June 2013. +2009 FD undo

curprev 13:4813:48, 30 June 2013‎ 88.172.133.187 talk‎ 3,641 bytes +64‎ No edit summary undo
curprev 13:2613:26, 30 June 2013‎ 88.172.133.187 talk‎ 3,577 bytes 0‎ "better" doesn't not seem right for something that could kill a few million people, if it falls at the wrong place undo

curprev 02:1102:11, 2 May 2013‎ 50.53.33.207 talk‎ 3,577 bytes −11‎ Asteroid as been given a name undo

curprev 14:2514:25, 14 March 2013‎ Addbot talk contribs‎ m 3,588 bytes −55‎ Bot: Migrating 2 interwiki links, now provided by Wikidata on d:q3478803 undo

curprev 14:3814:38, 15 February 2013‎ Nickst talk contribs‎ 3,643 bytes +31‎ {{Impact cratering on Earth}} undo

curprev 15:1415:14, 11 February 2013‎ Kheider talk contribs‎ 3,612 bytes +814‎ More than two dozen known asteroids have better than a one in a million chance of impacting into Earth within the next 100 years.<ref name="NYT-20130209"/> undo

curprev 19:5219:52, 10 January 2013‎ Kheider talk contribs‎ 2,798 bytes +20‎ +2011 BT15 undo

curprev 10:0910:09, 23 December 2012‎ Kheider talk contribs‎ m 2,778 bytes −19‎ remove ag5 undo
curprev 08:4508:45, 23 December 2012‎ 79.123.75.39 talk‎ 2,797 bytes +4‎ convert caps to italics undo
curprev 08:4508:45, 23 December 2012‎ 79.123.75.39 talk‎ 2,793 bytes −1‎ rm whitespace undo

curprev 17:3717:37, 19 March 2012‎ Kheider talk contribs‎ 2,794 bytes +135‎ List of [http://neo.jpl.nasa.gov/risk/removed.html objects for which all previously detected potential impacts have been eliminated] undo

curprev 02:0802:08, 11 March 2012‎ Helpful Pixie Bot talk contribs‎ m 2,659 bytes −2‎ Fixed header External Links => External links (Build J2) undo

curprev 14:5814:58, 21 November 2011‎ Kheider talk contribs‎ 2,661 bytes +69‎ →‎External Links: * [http://newton.dm.unipi.it/neodys/index.php?pc=4.1 NEODyS CLOMON2] undo
curprev 14:4714:47, 21 November 2011‎ Kheider talk contribs‎ 2,592 bytes +734‎ +reflist: Two or three weeks of optical data is not enough to conclusively identify an impact years in the future.<ref name="Giorgini"/> undo

curprev 17:4317:43, 4 November 2011‎ Kheider talk contribs‎ m 1,858 bytes −2‎ rv to orig spelling and reference undo
curprev 16:2316:23, 4 November 2011‎ 92.40.92.35 talk‎ 1,860 bytes +2‎ No edit summary undo

curprev 21:5221:52, 17 October 2011‎ Kheider talk contribs‎ 1,858 bytes +19‎ {{mpl|2011 AG|5}} undo

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