(20789) Hughgrant Main-belt Asteroid
Discovered on 28 September 2000 by C. W. Juels at Fountain Hills.
Hugh M. Grant (b. 1933) is a retired educator and businessman from Vancouver and a member of the Royal Astronomical Society of Canada. He recently completed construction of a roll-off roof observatory at his winter home in Fountain Hills, Arizona.Naming citation (20010804/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hughgrant is today
Seen from above the solar system on 2026-10-14: Hughgrant is 3.09 au from the Sun and 3.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20789 |
| Provisional designation | 2000 SU44 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.25 km (#10,133 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.443 |
| Rotation period | 94.8 hours |
| Absolute magnitude (H) | 13.49 |
| Orbital period | 4.07 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 1.93 – 3.17 au |
| Eccentricity | 0.244 |
| Inclination | 9.77° |
| Closest distance between its orbit and Earth's (MOID) | 0.945 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hugh
- (8899) Hughmiller
- (14146) Hughmaclean
- (19700) Teitelbaum
- (32079) Hughsavoldelli
- (71000) Hughdowns
- (154005) Hughharris
All asteroids named after someone called Hugh
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