Discovered by Y. Mizuno, T. Furuta MPC designation 4951 Iwamoto Observation arc 30563 days (83.68 yr) Orbits Sun Named after Masayuki Iwamoto Asteroid group Asteroid belt | Discovery date 21 January 1990 Minor planet category main-belt Discovered 21 January 1990 Spectral type S-type asteroid Discovery site Kani observatory | |
Alternative names 1990 BM; 1931 UQ
1985 QN6; 1985 RH5
1989 WS3 Discoverers Toshimasa Furuta, Yoshikane Mizuno | ||
4951 Iwamoto (1990 BM) is a main-belt binary asteroid discovered on January 21, 1990 by Yoshikane Mizuno and Toshimasa Furuta at Kani Observatory (403). A 3.34 km moon was discovered orbiting the asteroid at a distance of 31 kilometers, and an orbital period of 4 days and 22 hours.
References
4951 Iwamoto Wikipedia(Text) CC BY-SA