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48P/Johnson

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Periodic comet with 7 year orbit
48P/Johnson
Comet Johnson (top) by Spitzer Space Telescope
Discovery
Discovered byErnest Leonard Johnson
Discovery dateAugust 25, 1949
Designations
Alternative designations1949 II; 1956 V; 1963 IV;
1970 IV; 1977 I; 1983 XVIII;
1990 XXIII
Orbital characteristics
EpochMarch 6, 2006
Aphelion4.983 AU
Perihelion2.309 AU
Semi-major axis3.646 AU
Eccentricity0.3667
Orbital period6.963 a
Inclination13.6589°
Last perihelion2018-Aug-12
September 29, 2011
October 11, 2004
Next perihelion2025-Mar-02

48P/Johnson is a periodic comet in the Solar System.

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

References

  1. MPC
  2. Seiichi Yoshida (2008-10-12). "48P/Johnson". Seiichi Yoshida's Comet Catalog. Retrieved 2010-03-01.
  3. Syuichi Nakano (2008-05-06). "48P/Johnson (NK 1610)". OAA Computing and Minor Planet Sections. Retrieved 2010-03-01.
  4. "Horizons Batch for 48P/Johnson (90000566) on 2025-Mar-02" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Archived from the original on 2022-06-27. Retrieved 2023-07-06. (JPL#69 Soln.date: 2023-Mar-29)
  5. "JPL Small-Body Database Browser: 48P/Johnson" (2005-11-10 last obs). Jet Propulsion Laboratory. Retrieved 2010-03-01.
  6. David C. Jewitt & 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.

External links


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