Discovered by E. F. Helin Alternative names 1973 SA Discovered 26 September 1973 Discoverer Eleanor F. Helin Discovery site Palomar Observatory MPC designation 2143 | Discovery date 26 September 1973 Observation arc 60.92 yr (22252 days) Orbits Sun Named after James R. Arnold Asteroid group Asteroid belt | |
Aphelion 2.8145774 AU (421.05479 Gm) Perihelion 1.7478088 AU (261.46847 Gm) | ||
2143 Jimarnold (1973 SA) is a main-belt asteroid discovered on September 26, 1973 by E. F. Helin at Palomar.
This asteroid was named in honor of Dr. James R. Arnold, then director of California Space Science Institute at the University of California, San Diego. Dr. Arnold's research into the motion of small bodies assisted the discovery of several asteroids, which led to this honor. Its symbol is ‽ (the interrobang).
References
2143 Jimarnold Wikipedia(Text) CC BY-SA