48P/Johnson Explained

48P/Johnson
Discoverer:	Ernest Leonard Johnson
Discovery Date:	August 25, 1949
Designations:	1949 II; 1956 V; 1963 IV; 1970 IV; 1977 I; 1983 XVIII; 1990 XXIII
Epoch:	March 6, 2006
Semimajor:	3.646 AU
Perihelion:	2.309 AU
Aphelion:	4.983 AU
Eccentricity:	0.3667
Period:	6.963 a
Inclination:	13.6589°
Last P:	2018-Aug-12 September 29, 2011^[1] ^[2] October 11, 2004
Next P:	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.^[3] David C. Jewitt and Scott S. Sheppard estimate the nucleus to have dimensions of 6.0 x 4.4 km.^[4]

External links

• Orbital simulation from JPL (Java) / Horizons Ephemeris
• 48P at Kronk's Cometography
• 48P/Johnson – Seiichi Yoshida @ aerith.net
• Lightcurve (Artyom Novichonok)

Notes and References

1. Web site: 2008-10-12 . 48P/Johnson . Seiichi Yoshida's Comet Catalog . Seiichi Yoshida . 2010-03-01.
2. Web site: 2008-05-06 . 48P/Johnson (NK 1610) . OAA Computing and Minor Planet Sections . Syuichi Nakano . Syuichi Nakano . 2010-03-01.
3. Web site: 2005-11-10 last obs . JPL Small-Body Database Browser: 48P/Johnson . . 2010-03-01.
4. The nucleus of comet 48P/Johnson . David C. Jewitt . David C. Jewitt . Scott S. Sheppard . Scott S. Sheppard . amp . . 127 . 2004 . 3 . 1784–1790 . 10.1086/382097 . 2004AJ....127.1784J. free .