(10980) Breimer Main-belt Asteroid
Discovered on 29 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Douwe Breimer (b. 1943) is Rector Magnificus and President of Leiden University, a world-renowned pharmaceutical scientist and long-time supporter of astronomy in Leiden. The name was suggested by T. de Zeeuw.Naming citation (WGSBN Bull. 5, #21, 5), IAU / Minor Planet Center, via NASA/JPL
Where Breimer is today
Seen from above the solar system on 2026-10-14: Breimer is 2.53 au from the Sun and 3.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10980 |
| Provisional designation | 4294 T-2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.64 km (#15,988 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.402 |
| Absolute magnitude (H) | 14.76 |
| Orbital period | 3.39 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.99 – 2.53 au |
| Eccentricity | 0.120 |
| Inclination | 2.85° |
| Closest distance between its orbit and Earth's (MOID) | 1.00 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 29 September 1973
- (2049) Grietje
- (4357) Korinthos
- (4549) Burkhardt
- (4721) Atahualpa
- (4752) Myron
- (4876) Strabo
- (4978) Seitz
- (5151) Weerstra
- (5197) Rottmann
- (5243) Clasien
- (5244) Amphilochos
- (5266) Rauch