(113951) Artdavidsen Main-belt Asteroid
Discovered on 10 October 2002 by Sloan Digital Sky Survey at Apache Point.
Arthur F. Davidsen (1944-2001), a pioneer in the field of ultraviolet spectroscopy, obtained the first ultraviolet spectrum of a quasar and made early measurements of neutral hydrogen in the intergalactic medium.Naming citation (20100130/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Artdavidsen is today
Seen from above the solar system on 2026-10-14: Artdavidsen is 3.61 au from the Sun and 4.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 113951 |
| Provisional designation | 2002 TM349 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.55 km (#8,191 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0340 |
| Absolute magnitude (H) | 15.28 |
| Orbital period | 5.15 years |
| Semi-major axis | 2.98 au |
| Perihelion – aphelion | 2.35 – 3.61 au |
| Eccentricity | 0.212 |
| Inclination | 14.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.38 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Arthur
- (3769) Arthurmiller
- (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
Also discovered on 10 October 2002
- (78756) Sloan
- (90022) Apache Point
- (113952) Schramm
- (127517) Kaikepan
- (133009) Watters
- (135979) Allam
- (135980) Scottanderson
- (142562) Graetz
- (142758) Connolly
- (142759) Covey
- (142760) Csabai
- (163624) Moorthy