(523722) 2014 LV ₂₈

Asteroid (523722) 2014 LV 28
Properties of the orbit ( animation ) Epoch:  April 27, 2019 ( JD 2,458,600.5)
Orbit type	SDO , "Distant Object"
Major semi-axis	69.67  AU
eccentricity	0.507
Perihelion - aphelion	34,316 AU - 105,023 AU
Inclination of the orbit plane	10.7 °
Length of the ascending node	316.7 °
Argument of the periapsis	26.7 °
Time of passage of the perihelion	June 22, 2035
Sidereal period	581 a 6.4 M
Mean orbital velocity	3.539 km / s
Physical Properties
Medium diameter	approx. 329 km
Albedo	0.08-0.09
Absolute brightness	5.7 - 5.8 mag
history
Explorer	Pan-STARRS : B. Gibson T. Goggia N. Primak A. Schultz M. Willman
Date of discovery	4th June 2014
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items.

(523722) 2014 LV ₂₈ is a large trans-Neptunian object that is classified as a Scattered Disk Object (SDO) in terms of orbital dynamics . Due to its size, the asteroid is one of the dwarf planet candidates .

discovery

2014 LV ₂₈ was recorded on June 4, 2014 by a team of astronomers , consisting of B. Gibson, T. Goggia, N. Primak, A. Schultz and M. Willman, in images taken as part of the Pan-STARRS project with the 1 , 8-meter Ritchey Chretien Telescope (PS1) at Haleakalā Observatory ( Maui ) on July 28, 2011, discovered. The discovery was announced on July 17, 2016 the asteroid was on 25 September 2018 the IAU , the Minor Planet -number 523 722 .

After its discovery in 2014, LV _{28 could be identified} on photos, which were also taken as part of the Pan-STARRS, going back to August 1, 2010, thus extending its observation period by four years in order to calculate its orbit more precisely. So far, the planetoid has only been observed through the Pan-STARRS telescope. In October 2018, a total of 241 observations were made over a period of 8 years. The last observation so far was carried out again on the Pan-STARRS telescope in October 2017. (As of March 24, 2019)

properties

Orbit

2014 LV ₂₈ orbits the sun in 581.53 years on a strongly elliptical orbit between 34.31  AU and 105.02 AU from its center. The orbital eccentricity is 0.507, the orbit is 10.68 ° inclined to the ecliptic . The planetoid is currently 36.46 AU from the Sun. He will next pass perihelion in 2035, so the last perihelion should have occurred in 1453.

Both Marc Buie ( DES ) and the Minor Planet Center classify the planetoid as SDO ; the latter also generally lists it as a "distant object" .

size

A diameter of 329 km is currently assumed, based on a reflectivity of 8% and an absolute brightness of 5.8  ^m . Based on this diameter, the total surface area is around 340,000 km ² . The apparent magnitude of 2014 LV ₂₈ is 21.62  ^m .

Since it is conceivable that 2014 LV ₂₈ is in hydrostatic equilibrium due to its size and could therefore be largely round, it may meet the criteria for classification as a dwarf planet . Mike Brown believes that it is in 2014 LV ₂₈ to perhaps is a dwarf planet.

Determination of the diameter for 2014 LV ₂₈

year	Dimensions km	source
2018	321.0	Johnston
2018	329.0	Brown
The most precise determination is marked in bold .

See also

• List of trans-Neptunian objects
• List of dwarf planets of the solar system
• List of asteroids
• List of moons from asteroids

Web links

• How many dwarf planets are there in the outer solar system? Current list of the largest TNOs from Mike Brown
• Free the dwarf planets! Mike Brown's column on the IAU and the dwarf planets regarding their classifications (23 August 2011)

Individual evidence

1. ^ ^{A b} Marc W. Buie : Orbit Fit and Astrometric record for 523722 . SwRI (Space Science Department). Retrieved March 24, 2019.
2. ↑ ^{a b} MPC : MPEC List Of Centaurs and Scattered-Disk Objects . IAU . Retrieved March 24, 2019.
3. ↑ ^{a b c} Wm. R. Johnston: List of Known Trans-Neptunian Objects . Johnston's Archives. October 7, 2018. Accessed March 24, 2019.
4. ↑ ^{a b c} (523722) 2014 LV28 at the IAU Minor Planet Center (English) Retrieved on March 24, 2019.
5. ↑ v ≈ π * a / period (1 + sqrt (1-e²))
6. ↑ MPC : MPEC 2016-O226: 2014 LV28 . IAU . July 17, 2016. Accessed March 24, 2019.
7. ↑ MPC : MPC / MPO / MPS Archive . IAU . Retrieved March 24, 2019. Reference there: MPC 111778
8. ↑ (523722) 2014 LV28 in the Small-Body Database of the Jet Propulsion Laboratory (English). Retrieved March 24, 2019.
9. ↑ (523722) 2014 LV28 in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
10. ↑ ^{a b} Mike Brown : How many dwarf planets are there in the outer solar system? . CalTech . November 12, 2018. Retrieved March 24, 2019.