(8615) Philipgrahamgood Main-belt Asteroid
Discovered on 25 June 1979 by Helin, E. F., Bus, S. J. at Siding Spring.
Philip Graham Good (b. 1961) contributed to NASA's Lucy mission as the Guidance, Navigation, and Control Lead. He has also helped design and operate numerous other space probes including Stardust, Mars Reconnaissance Orbiter, MAVEN and JUNO.Naming citation (WGSBN Bull. 1, #9, 6), IAU / Minor Planet Center, via NASA/JPL
Where Philipgrahamgood is today
Seen from above the solar system on 2026-10-14: Philipgrahamgood is 2.90 au from the Sun and 3.87 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8615 |
| Provisional designation | 1979 MB2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.69 km (#9,411 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.238 |
| Rotation period | 731 hours |
| Absolute magnitude (H) | 13.76 |
| Orbital period | 4.05 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 1.83 – 3.25 au |
| Eccentricity | 0.279 |
| Inclination | 5.78° |
| Closest distance between its orbit and Earth's (MOID) | 0.855 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Philip
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- (6580) Philbland
- (7220) Philnicholson
- (7277) Klass
- (8338) Ralhan
- (9004) Peekaydee
- (10030) Philkeenan
- (11581) Philipdejager
- (11790) Goode
- (13112) Montmorency
- (15766) Strahlenberg
- (17797) Philfrankel
All asteroids named after someone called Philip
Also discovered on 25 June 1979
- (2343) Siding Spring
- (2392) Jonathan Murray
- (2441) Hibbs
- (2618) Coonabarabran
- (2619) Skalnate Pleso
- (2628) Kopal
- (2682) Soromundi
- (2704) Julian Loewe
- (3129) Bonestell
- (3205) Boksenberg
- (3756) Ruscannon
- (3817) Lencarter