(12146) Ostriker Main-belt Asteroid
Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Jeremiah P. Ostriker (b. 1937) is an American astrophysicist who has contributed to many fields of theoretical astrophysics and cosmology, including the distribution of baryonic and dark matter and values of cosmological parameters.Naming citation (20110715/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ostriker is today
Seen from above the solar system on 2026-10-14: Ostriker is 3.12 au from the Sun and 3.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12146 |
| Provisional designation | 6035 P-L |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.77 km (#5,946 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0580 |
| Absolute magnitude (H) | 14.38 |
| Orbital period | 4.31 years |
| Semi-major axis | 2.65 au |
| Perihelion – aphelion | 2.14 – 3.16 au |
| Eccentricity | 0.193 |
| Inclination | 11.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jeremiah
All asteroids named after someone called Jeremiah
Also discovered on 24 September 1960
- (1743) Schmidt
- (1744) Harriet
- (1776) Kuiper
- (1777) Gehrels
- (1795) Woltjer
- (1808) Bellerophon
- (1809) Prometheus
- (1810) Epimetheus
- (1811) Bruwer
- (1812) Gilgamesh
- (1846) Bengt
- (1868) Thersites