(13423) Bobwoolley Main-belt Asteroid
Discovered on 13 November 1999 by C. W. Juels at Fountain Hills.
Robert Woolley (b. 1953) taught astronomy and was planetarium director at Montgomery College (1976-1981) and president of the Von Braun Astronomical Society (1993-1994). Since 1994 he has been conducting week-long astronomical/geological educational experiences at a dark site near Flagstaff, Arizona.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Bobwoolley is today
Seen from above the solar system on 2026-10-14: Bobwoolley is 2.56 au from the Sun and 1.70 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13423 |
| Provisional designation | 1999 VR22 |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.3 km (#3,950 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0760 |
| Rotation period | 3,760 hours |
| Absolute magnitude (H) | 13.22 |
| Orbital period | 4.56 years |
| Semi-major axis | 2.75 au |
| Perihelion – aphelion | 2.55 – 2.95 au |
| Eccentricity | 0.0732 |
| Inclination | 4.02° |
| Closest distance between its orbit and Earth's (MOID) | 1.55 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Robert
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All asteroids named after someone called Robert
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