(359474) Robertwilliams Main-belt Asteroid
Discovered on 12 August 2004 by Deep Ecliptic Survey at Cerro Tololo.
Robert Eugene Williams (b. 1940) is an American astronomer who directed the Space Telescope Science Institute from 1993 to 1998. It was his decision to take the Hubble Deep Field image, which captured infant galaxies 12 billion years back in time and which showed conclusively that the Universe is evolving.Naming citation (WGSBN Bull. 5, #14, 11), IAU / Minor Planet Center, via NASA/JPL
Where Robertwilliams is today
Seen from above the solar system on 2026-10-14: Robertwilliams is 2.97 au from the Sun and 2.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 359474 |
| Provisional designation | 2010 OQ4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.50 km (#11,628 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0550 |
| Absolute magnitude (H) | 15.74 |
| Orbital period | 5.57 years |
| Semi-major axis | 3.14 au |
| Perihelion – aphelion | 2.97 – 3.32 au |
| Eccentricity | 0.0560 |
| Inclination | 11.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.96 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Robert
- (1955) McMath
- (3514) Hooke
- (3875) Staehle
- (4564) Clayton
- (4809) Robertball
- (5109) Robertmiller
- (5308) Hutchison
- (5477) Holmes
- (5585) Parks
- (5636) Jacobson
- (5739) Robertburns
- (5817) Robertfrazer
All asteroids named after someone called Robert