(6227) Alanrubin Outer Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Alan Rubin (b. 1953), a research geochemist at the University of California in Los Angeles, works on a wide variety of topics such as the origin of chondrules and shock processes in meteorites. He is best known for studying the geologic processes that altered the parent bodies of chondritic meteorites.Naming citation (20020624/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Alanrubin is today
Seen from above the solar system on 2026-10-14: Alanrubin is 3.60 au from the Sun and 4.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6227 |
| Provisional designation | 1981 EQ42 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 11.4 km (#4,343 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0900 |
| Absolute magnitude (H) | 13.2 |
| Orbital period | 5.86 years |
| Semi-major axis | 3.25 au |
| Perihelion – aphelion | 2.76 – 3.74 au |
| Eccentricity | 0.150 |
| Inclination | 0.513° |
| Closest distance between its orbit and Earth's (MOID) | 1.75 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Alan
Also discovered on 2 March 1981
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