Discovered by E. F. Helin MPC designation 5905 Johnson Minor planet category main-belt (inner) Discovered 11 February 1989 Discoverer Eleanor F. Helin Asteroid group Asteroid belt | Discovery date 11 February 1989 Alternative names 1989 CJ1 Observation arc 9870 days (27.02 yr) Orbits Sun Discovery site Palomar Observatory Moon S/2005 (5905) 1 | |
Similar 1338 Duponta, Asteroid belt, Solar System | ||
5905 Johnson (1989 CJ1) is an inner main-belt binary asteroid discovered on February 11, 1989 by E. F. Helin at Palomar. A moon was discovered in 2005 with an orbital period of 21 hours, 47 minutes, and 5 seconds.
References
5905 Johnson Wikipedia(Text) CC BY-SA