2212 Hephaistos
2212 Hephaistos (1978 SB) is an Apollo asteroid and a NEO discovered on 27 September 1978 by L. I. Chernykh at the Crimean Astrophysical Observatory. It is named after the Greek god Hephaestus. It is the largest member of the Hephaistos asteroid group. It makes close approaches to all of the inner planets and will pass 0.048 AU (7.2 million km) from Mercury on 2032-Sep-16.[1]
Other potential members of the Hephaistos group include (85182) 1991 AQ, 4486 Mithra, and D/1766 G1 (Helfenzrieder).[2]
References
- ^ a b c d e f "2212 Hephaistos (1978 SB)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 15 April 2016.
- ^ Steel, D.; Asher, D. (1994). "P/Helfenzrieder (1766 II) and the Hephaistos group of Earth-crossing asteroids". The Observatory. 114: 223–226. Bibcode:1994Obs...114..223S.
External links
- 2212 Hephaistos at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemerides · Observation prediction · Orbital info · MOID · Proper elements · Observational info · Close approaches · Physical info · Orbit animation
- 2212 Hephaistos at ESA–space situational awareness
- Ephemerides · Observations · Orbit · Physical properties · Summary
- 2212 Hephaistos at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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- 2211 Hanuman
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