(2212) Hephaistos Apollo
Discovered on 27 September 1978 by L. I. Chernykh at Nauchnyj.
This Apollo-type object is named for the god of fire and blacksmiths.Naming citation (MPC 5849), IAU / Minor Planet Center, via NASA/JPL
Where Hephaistos is today
Seen from above the solar system on 2026-10-14: Hephaistos is 2.38 au from the Sun and 1.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2212 |
| Provisional designation | 1978 SB |
| Orbit class | Apollo · near-Earth |
| Diameter | 5.70 km (#9,399 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.163 |
| Rotation period | 48.0 hours |
| Spectral type | SG |
| Absolute magnitude (H) | 13.45 |
| Orbital period | 3.19 years |
| Semi-major axis | 2.17 au |
| Perihelion – aphelion | 0.358 – 3.98 au |
| Eccentricity | 0.835 |
| Inclination | 11.2° |
| Closest distance between its orbit and Earth's (MOID) | 0.112 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 27 September 1978
- (2894) Kakhovka
- (3010) Ushakov
- (3608) Kataev
- (4235) Tatishchev
- (4685) Karetnikov
- (4758) Hermitage
- (5711) Eneev
- (5795) Roshchina
- (6166) Univsima
- (7370) Krasnogolovets
- (7978) Niknesterov
- (9150) Zavolokin
More named asteroids discovered by L. I. Chernykh
- (1737) Severny
- (1771) Makover
- (1772) Gagarin
- (1789) Dobrovolsky
- (1790) Volkov
- (1792) Reni
- (1805) Dirikis
- (1828) Kashirina
- (1832) Mrkos
- (1833) Shmakova
- (1855) Korolev
- (1856) Ruzena
← (2211) Hanuman · (2213) Meeus →