(10030) Philkeenan Main-belt Asteroid
Discovered on 30 August 1981 by E. Bowell at Anderson Mesa.
Philip Keenan (1908-2000) was a professor of astronomy with the Ohio State University at Perkins Observatory from 1946 until his death. He was an expert in the field of stellar spectra and one of the creators (with W. W. Morgan) of the MK system of stellar classification. The name was suggested by R. Martino.Naming citation (20010705/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Philkeenan is today
Seen from above the solar system on 2026-10-14: Philkeenan is 3.61 au from the Sun and 4.22 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10030 |
| Provisional designation | 1981 QG |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.0 km (#4,588 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0700 |
| Absolute magnitude (H) | 13.66 |
| Orbital period | 5.39 years |
| Semi-major axis | 3.07 au |
| Perihelion – aphelion | 2.52 – 3.63 au |
| Eccentricity | 0.181 |
| Inclination | 1.17° |
| Closest distance between its orbit and Earth's (MOID) | 1.51 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Philip
- (4448) Phildavis
- (6580) Philbland
- (7220) Philnicholson
- (7277) Klass
- (8338) Ralhan
- (8615) Philipgrahamgood
- (9004) Peekaydee
- (11581) Philipdejager
- (11790) Goode
- (13112) Montmorency
- (15766) Strahlenberg
- (17797) Philfrankel
All asteroids named after someone called Philip
Also discovered on 30 August 1981
- (2730) Barks
- (2863) Ben Mayer
- (2871) Schober
- (3087) Beatrice Tinsley
- (3123) Dunham
- (3832) Shapiro
- (4021) Dancey
- (4433) Goldstone
- (5272) Dickinson
- (7220) Philnicholson
- (9001) Slettebak
- (9531) Jean-Luc