48P/Johnson
48P/Johnson is a periodic comet in the Solar System.
Comet Johnson (top) by Spitzer Space Telescope | |
| Discovery | |
|---|---|
| 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 |
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.
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