331 Etheridgea
Discovery | |
---|---|
Discovered by | Auguste Charlois |
Discovery date | 1 April 1892 |
Designations | |
Main belt | |
Orbital characteristics[1] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 123.95 yr (45274 d) |
Aphelion | 3.32623 AU (497.597 Gm) |
Perihelion | 2.72055 AU (406.988 Gm) |
3.02339 AU (452.293 Gm) | |
Eccentricity | 0.10016 |
5.26 yr (1920.2 d) | |
Average orbital speed | 17.13 km/s |
88.5392° | |
0° 11m 14.939s / day | |
Inclination | 6.05385° |
22.0346° | |
333.055° | |
Earth MOID | 1.71692 AU (256.848 Gm) |
Jupiter MOID | 2.10384 AU (314.730 Gm) |
Jupiter Tisserand parameter | 3.229 |
Physical characteristics | |
Dimensions | ±2.7 km 74.92 |
Mass | unknown |
Mean density | unknown |
Equatorial surface gravity | unknown |
Equatorial escape velocity | unknown |
25.315 h (1.0548 d) | |
±0.003 0.0447 | |
Temperature | unknown |
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 2 "331 Etheridgea". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
External links
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