(12153) Conon Main-belt Asteroid
Discovered on 26 March 1971 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Conon of Samos (c. 280-c. 220 B.C.) was a Hellenistic astronomer and mathematician who worked in Alexandria. In 246 B.C. he created the constellation of Coma Berenices, commemorating the sacrifice of Queen Berenice's tresses of hair after her husband's return from the Third Syrian War.Naming citation (20100527/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Conon is today
Seen from above the solar system on 2026-10-14: Conon is 2.24 au from the Sun and 1.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12153 |
| Provisional designation | 3219 T-1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.61 |
| Orbital period | 3.40 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.97 – 2.55 au |
| Eccentricity | 0.129 |
| Inclination | 3.63° |
| Closest distance between its orbit and Earth's (MOID) | 0.961 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