331 Etheridgea

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331 Etheridgea
Discovered by Auguste Charlois
Discovery date April 1, 1892
Minor planet category Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 498.969 Gm (3.335 AU)
Perihelion 405.637 Gm (2.712 AU)
Semi-major axis 452.303 Gm (3.023 AU)
Eccentricity 0.103
Orbital period 1920.198 d (5.26 a)
Average orbital speed 17.13 km/s
Mean anomaly 18.924°
Inclination 6.052°
Longitude of ascending node 22.205°
Argument of perihelion 335.206°
Physical characteristics
Dimensions 75.0 km
Mass unknown
Mean density unknown
Equatorial surface gravity unknown
Escape velocity unknown
Rotation period unknown
Albedo unknown
Temperature unknown
Spectral type unknown
Absolute magnitude (H) 9.62

331 Etheridgea is a large main belt asteroid.

It was discovered by Auguste Charlois on April 1, 1892 in Nice.