(12192) Gregbollendonk Main-belt Asteroid
Discovered on 7 November 1978 by Helin, E. F., Bus, S. J. at Palomar.
Gregory R. Bollendonk (b. 1960) contributed to NASA's Lucy Trojan asteroid mission as the Spacecraft Systems Engineer and was part of the Lucy spacecraft development lifecycle from concept study through development and launch.Naming citation (WGSBN Bull. 1, #9, 9), IAU / Minor Planet Center, via NASA/JPL
Where Gregbollendonk is today
Seen from above the solar system on 2026-10-14: Gregbollendonk is 3.17 au from the Sun and 2.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12192 |
| Provisional designation | 1978 VD5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.44 km (#7,160 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0800 |
| Absolute magnitude (H) | 14.35 |
| Orbital period | 5.42 years |
| Semi-major axis | 3.09 au |
| Perihelion – aphelion | 2.71 – 3.46 au |
| Eccentricity | 0.122 |
| Inclination | 1.27° |
| Closest distance between its orbit and Earth's (MOID) | 1.73 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Gregory
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Also discovered on 7 November 1978
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