Discovery date 16 May 1990 Observation arc 38900 days (106.50 yr) Orbits Sun Discovery site JCPM Sapporo Station MPC designation 4547 | Alternative names 1990 KP Discovered 16 May 1990 Asteroid group Asteroid belt | |
Aphelion 2.7955152 AU (418.20312 Gm) Perihelion 2.4297734 AU (363.48893 Gm) Discoverers Kin Endate, Kazuro Watanabe | ||
4547 Massachusetts (1990 KP) is a main-belt asteroid discovered on May 16, 1990 by Kazuro Watanabe and Kin Endate at Sapporo. Photometric observations of the asteroid during 2006 at the Palmer Divide Observatory in Colorado Springs, Colorado, were used to generate a light curve with a period of 7.703 ± 0.005 hours and a variation in brightness of 0.29 ± 0.02 magnitude.
References
4547 Massachusetts Wikipedia(Text) CC BY-SA