(12154) Callimachus Main-belt Asteroid
Discovered on 26 March 1971 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Callimachus of Cyrene (c. 305-c. 240 B.C.) was a Hellenistic scholar and poet who worked in Alexandria, where he compiled a catalogue of the famous library. He wrote the poem Coma Berenices commemorating the creation of the eponymous constellation by Conon of Samos in 246 B.C.Naming citation (20100527/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Callimachus is today
Seen from above the solar system on 2026-10-14: Callimachus is 3.07 au from the Sun and 2.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12154 |
| Provisional designation | 3329 T-1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.97 km (#8,967 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.180 |
| Absolute magnitude (H) | 13.91 |
| Orbital period | 5.24 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.85 – 3.18 au |
| Eccentricity | 0.0547 |
| Inclination | 9.97° |
| Closest distance between its orbit and Earth's (MOID) | 1.85 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 26 March 1971
- (5195) Kaendler
- (5491) Kaulbach
- (5492) Thoma
- (5698) Nolde
- (6202) Georgemiley
- (6257) Thorvaldsen
- (6351) Neumann
- (6429) Brancusi
- (6674) Cezanne
- (6752) Ashley
- (7367) Giotto
- (7908) Zwingli
More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.
- (1743) Schmidt
- (1744) Harriet
- (1776) Kuiper
- (1777) Gehrels
- (1778) Alfven
- (1795) Woltjer
- (1808) Bellerophon
- (1809) Prometheus
- (1810) Epimetheus
- (1811) Bruwer
- (1812) Gilgamesh
- (1813) Imhotep
← (12153) Conon · (12155) Hyginus →