(15308) Ulfdanielsson Main-belt Asteroid
Discovered on 17 March 1993 by UESAC at La Silla.
Ulf Danielsson (b. 1964) is a Swedish professor of theoretical physics at Uppsala University. He is known for popularizing physics and astronomy through his books, public lectures, and frequent media appearances.Naming citation (WGSBN Bull. 6, #3, 7), IAU / Minor Planet Center, via NASA/JPL
Where Ulfdanielsson is today
Seen from above the solar system on 2026-10-14: Ulfdanielsson is 2.09 au from the Sun and 1.53 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15308 |
| Provisional designation | 1993 FR4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.43 |
| Orbital period | 3.61 years |
| Semi-major axis | 2.35 au |
| Perihelion – aphelion | 1.87 – 2.84 au |
| Eccentricity | 0.207 |
| Inclination | 3.22° |
| Closest distance between its orbit and Earth's (MOID) | 0.852 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ulf
All asteroids named after someone called Ulf
Also discovered on 17 March 1993
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- (7705) Humeln
- (8534) Knutsson
- (8540) Ardeberg
- (8695) Bergvall
- (8696) Kjeriksson
- (9617) Grahamchapman
- (9618) Johncleese
- (9619) Terrygilliam
- (9620) Ericidle
- (10123) Fideoja
- (10553) Stenkumla