Comet Johnson (top) by Spitzer Space Telescope | |
Discovery | |
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Discovered by | Ernest Leonard Johnson |
Discovery date | August 25, 1949 |
Designations | |
Alternative designations | 1949 II; 1956 V; 1963 IV; 1970 IV; 1977 I; 1983 XVIII; 1990 XXIII |
Orbital characteristics | |
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 | 2018-Aug-12 September 29, 2011 October 11, 2004 |
Next perihelion | 2025-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
- MPC
- Seiichi Yoshida (2008-10-12). "48P/Johnson". Seiichi Yoshida's Comet Catalog. Retrieved 2010-03-01.
- Syuichi Nakano (2008-05-06). "48P/Johnson (NK 1610)". OAA Computing and Minor Planet Sections. Retrieved 2010-03-01.
- "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)
- "JPL Small-Body Database Browser: 48P/Johnson" (2005-11-10 last obs). Jet Propulsion Laboratory. Retrieved 2010-03-01.
- 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
- 48P/Johnson at the JPL Small-Body Database
- 48P at Kronk's Cometography
- 48P/Johnson – Seiichi Yoshida @ aerith.net
- Lightcurve (Artyom Novichonok)
Numbered comets | ||
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48P/Johnson | Next 49P/Arend–Rigaux |