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331 Etheridgea

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331 Etheridgea
Discovery
Discovered byAuguste Charlois
Discovery date1 April 1892
Designations
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)
17.13 km/s
88.5392°
0° 11m 14.939s / day
Inclination6.05385°
22.0346°
333.055°
Earth MOID1.71692 AU (256.848 Gm)
Jupiter MOID2.10384 AU (314.730 Gm)
TJupiter3.229
Physical characteristics
Dimensions74.92±2.7 km
Massunknown
Mean density
unknown
Equatorial surface gravity
unknown
Equatorial escape velocity
unknown
25.315 h (1.0548 d)
0.0447±0.003
Temperatureunknown
unknown
9.62

331 Etheridgea is a large main belt asteroid.[1] It was discovered by Auguste Charlois on April 1, 1892 in Nice.

References

  1. ^ a b "331 Etheridgea". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.


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