34 Circe
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Discovery
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Discovered by | J. Chacornac |
Discovery date | April 6, 1855 |
Designations
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Alternative names | 1965 JL |
Minor planet category |
Main belt |
Epoch December 31, 2006 (JD 2454100.5) | |
Aphelion | 445.359 Gm (2.977 AU) |
Perihelion | 358.093 Gm (2.394 AU) |
Semi-major axis | 401.726 Gm (2.685 AU) |
Eccentricity | 0.109 |
Orbital period | 1607.332 d (4.40 a) |
Average orbital speed | 18.12 km/s |
Mean anomaly | 200.451° |
Inclination | 5.503° |
Longitude of ascending node | 184.535° |
Argument of perihelion | 330.083° |
Physical characteristics
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Dimensions | 113.5 km |
Mass | ~1.5×1018 kg |
Mean density | 2.0? g/cm³ |
Equatorial surface gravity | ~0.0317 m/s² |
Escape velocity | ~0.0600 km/s |
Rotation period | 0.5063 d (12.15 h) [1] |
Albedo | 0.0541 [1] |
Temperature | ~172 K |
Spectral type | C |
Absolute magnitude | 8.51 |
34 Circe (IPA: /ˈsɚsi/) is a large, very dark main belt asteroid.
It was discovered by J. Chacornac on April 6, 1855 and named after Circe, a goddess in Greek mythology.
[edit] References
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