105P/Singer Brewster: Difference between revisions

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|author=Seiichi Yoshida
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|title=JPL Small-Body Database Browser: 105P/Singer Brewster
|title=JPL Small-Body Database Browser: 105P/Singer Brewster
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=105P
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<ref name=nca>[http://www.capitalastronomers.org/SD_year/1986/StarDust_1986_06.pdf Excerpts from the IAU circulars, May 3, 1986], in ''Stardust'' June 1986, issue 10, volume XLII, published by National Capital Astronomers</ref>
<ref name=nca>[http://www.capitalastronomers.org/SD_year/1986/StarDust_1986_06.pdf Excerpts from the IAU circulars, May 3, 1986], in ''Stardust'' June 1986, issue 10, volume XLII, published by National Capital Astronomers</ref>
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<ref name="kronkscomets">{{cite web
<ref name="kronkscomets">{{cite web
|title=C&MS: 105P/Singer Brewster
|title=C&MS: 105P/Singer Brewster
|url=http://cometography.com/pcomets/105p.html
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|title=JPL Close-Approach Data: 105P/Singer Brewster
|title=JPL Close-Approach Data: 105P/Singer Brewster
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=105P;cad=1#cad
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Revision as of 05:56, 29 December 2020

105P/Singer Brewster
Discovery
Discovered byStephen Singer-Brewster
Discovery dateMay 3, 1986
Designations
1986 XI; 1992 XXVI
Orbital characteristics
Epoch2011-Feb-08
(JD 2455600.5)
Aphelion4.8915 AU
Perihelion2.0502 AU
Semi-major axis3.4709 AU
Eccentricity0.40929
Orbital period6.47 yr
Inclination9.1706°
Last perihelion2018-Aug-10[1]
February 26, 2012[2][3]
September 11, 2005
April 6, 1999
Next perihelion2025-Jan-22[1]

105P/Singer Brewster is a periodic comet in the Solar System. It was discovered in 1986, and received the name of 1986d under the old naming system.[4]

Because 105P/Singer Brewster only comes within 2 AU of the Sun,[5] during the 2012 perihelion passage it is only expected to brighten to about apparent magnitude 17.[6]

The comet nucleus is estimated to be 2.2 kilometers in diameter.[5]

The orbit of Comet Singer Brewster was altered significantly in August 1976 when it passed within 0.376 AU of Jupiter and will be altered again in August 2059.[7][8]

The single discoverer bears a hyphenated surname (Singer-Brewster), but co-discovered comets bear the names of the co-discoverers linked by hyphens, e.g. Shoemaker-Levy 9, Swift-Tuttle, etc. In these cases, the IAU either removes one of the parts of the name or replaces the hyphen by a space.[9][10]

References

  1. ^ a b MPC
  2. ^ Seiichi Yoshida (February 19, 2011). "105P/Singer Brewster". Seiichi Yoshida's Comet Catalog. Archived from the original on April 27, 2011. Retrieved May 3, 2011.
  3. ^ Syuichi Nakano (April 21, 2009). "105P/Singer Brewster (NK 1762)". OAA Computing and Minor Planet Sections. Retrieved May 3, 2011.
  4. ^ Excerpts from the IAU circulars, May 3, 1986, in Stardust June 1986, issue 10, volume XLII, published by National Capital Astronomers
  5. ^ a b "JPL Small-Body Database Browser: 105P/Singer Brewster". February 5, 2011. Retrieved May 3, 2011.
  6. ^ "Magnitude plot for 105P/Singer Brewster in 2012". Comet for Windows. Retrieved May 3, 2011.
  7. ^ "C&MS: 105P/Singer Brewster". Retrieved January 13, 2012.
  8. ^ "JPL Close-Approach Data: 105P/Singer Brewster". February 5, 2011. Retrieved February 17, 2012.
  9. ^ IAU Comet-naming Guidelines, International Astronomical Union, archived from the original on March 4, 2016
  10. ^ Don E. Machholz (1989), "Comet Corner", Journal of the Association of Lunar and Planetary Observers, 33 (1): 25–28, 26, Bibcode:1989JALPO..33...25M, A hyphen (-) is used in a comet's name only to separate the discoverers. Thus, when sometimes the discover has a double name, the hyphen is dropped from the comet's name in order to show that there was only one discoverer. For example, in 1986 Stephen Singer-Brewster discovered a comet. It is known as "Comet Singer Brewster."

External links

Numbered comets
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106P/Schuster
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