48P/Johnson

48P/Johnson
Discovery
Discovered by: Ernest Leonard Johnson
Discovery date: August 15, 1949
Alternate designations: 1949 II; 1956 V; 1963 IV;
1970 IV; 1977 I; 1983 XVIII;
1990 XXIII
Orbital characteristics A
Epoch: March 6, 2006
Aphelion: 4.983 AU
Perihelion: 2.309 AU
Semi-major axis: 3.646 AU
Eccentricity: 0.3667
Orbital period: 6.963 a
Inclination: 13.6589°
Last perihelion: September 29, 2011[1][2]
October 11, 2004
Next perihelion: 2018-Aug-12

48P/Johnson is a periodic comet in our solar system.

The comet nucleus is estimated to be 5.7 kilometers in diameter by Lamy, Fernandez, and Weaver.[3] David C. Jewitt and Scott S. Sheppard estimate the nucleus to have dimensions of 6.0 x 4.4 km.[4]

References

  1. ^ Seiichi Yoshida (2008-10-12). "48P/Johnson". Seiichi Yoshida's Comet Catalog. http://www.aerith.net/comet/catalog/0048P/index.html. Retrieved 2010-03-01. 
  2. ^ Syuichi Nakano (2008-05-06). "48P/Johnson (NK 1610)". OAA Computing and Minor Planet Sections. http://www.oaa.gr.jp/~oaacs/nk/nk1610.htm. Retrieved 2010-03-01. 
  3. ^ "JPL Small-Body Database Browser: 48P/Johnson". Jet Propulsion Laboratory. 2005-11-10 last obs. http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=48P. Retrieved 2010-03-01. 
  4. ^ David C. Jewitt and Scott S. Sheppard (2004). "The nucleus of comet 48P/Johnson". The Astronomical Journal 127 (3): 1784–1790. Bibcode 2004AJ....127.1784J. doi:10.1086/382097. http://www.iop.org/EJ/article/1538-3881/127/3/1784/203345.html. 

External links

Periodic comets (by number)
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