(18610) Arthurdent Main-belt Asteroid
Discovered on 7 February 1998 by Starkenburg at Heppenheim.
The earthling Arthur Dent is confronted with the adversities of life, the universe and everything in a highly amusing and entertaining way in Douglas Adam's famous five-volume trilogy The Hitch Hiker's Guide to the Galaxy.Naming citation (20010509/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Arthurdent is today
Seen from above the solar system on 2026-10-14: Arthurdent is 2.25 au from the Sun and 3.14 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18610 |
| Provisional designation | 1998 CC2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.46 km (#14,065 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.234 |
| Absolute magnitude (H) | 14.54 |
| Orbital period | 4.06 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.00 – 3.09 au |
| Eccentricity | 0.215 |
| Inclination | 5.60° |
| Closest distance between its orbit and Earth's (MOID) | 1.02 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Arthur
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- (4571) Grumiaux
- (4923) Clarke
- (6440) Ransome
- (7016) Conandoyle
- (9721) Doty
- (9770) Discovery
- (10448) Schawlow
- (11516) Arthurpage
- (11760) Auwers
- (11767) Milne
- (13927) Grundy
All asteroids named after someone called Arthur