34 Circe

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34 Circe
Discovery
Discovered by J. Chacornac
Discovery date April 6, 1855
Designations
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
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

  1. ^ a b *JPL Small-Body Database Browser