(29427) Oswaldthomas Main-belt Asteroid
Discovered on 7 March 1997 by E. Meyer at Linz.
Oswald Thomas (1882-1963), founder of the Astronomical Bureau in Vienna, and of the Astronomischer Verein, well known for his work on meteors and for popularizing astronomy. He proposed the establishment of the “Sterngarten”, now known as the Vienna Open Air Planetarium.Naming citation (20040107/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Oswaldthomas is today
Seen from above the solar system on 2026-10-14: Oswaldthomas is 2.01 au from the Sun and 2.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 29427 |
| Provisional designation | 1997 EJ11 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.41 km (#17,369 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.270 |
| Absolute magnitude (H) | 16.63 |
| Orbital period | 3.23 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 2.00 – 2.37 au |
| Eccentricity | 0.0836 |
| Inclination | 5.21° |
| Closest distance between its orbit and Earth's (MOID) | 0.999 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Oswald
All asteroids named after someone called Oswald
Also discovered on 7 March 1997
- (9116) Billhamilton
- (12478) Suzukiseiji
- (18560) Coxeter
- (24916) Stelzhamer
- (35324) Orlandi
- (35325) Claudiaguarnieri
- (35326) Lucastrabla
- (65852) Alle
- (118235) Federico
- (129564) Christy