331 Etheridgea

Etheridgea (minor planet designation: 331 Etheridgea) is a large main belt asteroid.[1] It was discovered by Auguste Charlois on 1 April 1892 in Nice.

331 Etheridgea
Discovery
Discovered byAuguste Charlois
Discovery date1 April 1892
Designations
(331) Etheridgea
Pronunciation/ˌɛθəˈrɪiə/
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc123.95 yr (45274 d)
Aphelion3.32623 AU (497.597 Gm)
Perihelion2.72055 AU (406.988 Gm)
3.02339 AU (452.293 Gm)
Eccentricity0.10016
5.26 yr (1920.2 d)
88.5392°
 11m 14.939s / day
Inclination6.05385°
22.0346°
333.055°
Physical characteristics
Dimensions74.92±2.7 km
25.315 h (1.0548 d)
0.0447±0.003
9.62

    References


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