(9116) Billhamilton Main-belt Asteroid
Discovered on 7 March 1997 by M. W. Buie at Anderson Mesa.
William O. Hamilton (b. 1933), professor of physics and astronomy at Louisiana State University, is a pioneer in the development of an observational technique for gravitational radiation.Naming citation (20040107/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Billhamilton is today
Seen from above the solar system on 2026-10-14: Billhamilton is 2.45 au from the Sun and 2.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9116 |
| Provisional designation | 1997 ES40 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.04 |
| Orbital period | 3.53 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 2.04 – 2.59 au |
| Eccentricity | 0.120 |
| Inclination | 3.97° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called William
- (1853) McElroy
- (2220) Hicks
- (3445) Pinson
- (3894) Williamcooke
- (4137) Crabtree
- (4423) Golden
- (4838) Billmclaughlin
- (5345) Boynton
- (5763) Williamtobin
- (6012) Williammurdoch
- (6613) Williamcarl
- (6756) Williamfeldman
All asteroids named after someone called William
Also discovered on 7 March 1997
- (12478) Suzukiseiji
- (18560) Coxeter
- (24916) Stelzhamer
- (29427) Oswaldthomas
- (35324) Orlandi
- (35325) Claudiaguarnieri
- (35326) Lucastrabla
- (65852) Alle
- (118235) Federico
- (129564) Christy
More named asteroids discovered by M. W. Buie
- (11670) Fountain
- (20234) Billgibson
- (28513) Guo
- (31203) Hersman
- (32263) Kusnierkiewicz
- (34077) Yoshiakifuse
- (36444) Clairblackburn
- (36983) Sumner
- (43574) Joyharjo
- (56795) Amandagorman
- (63363) Guengerich
- (65191) Janespencer
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