Romulus (moon)
Larger moon of 87 Sylvia / From Wikipedia, the free encyclopedia
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Not to be confused with 10386 Romulus.
Romulus is the outer and larger moon of the main-belt asteroid 87 Sylvia. It follows an almost-circular and close-to-equatorial orbit around the asteroid. In this respect it is similar to the other Sylvian moon Remus.
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | |
Discovery date | 18 February 2001 |
Designations | |
Sylvia I | |
Pronunciation | /ˈrɒmjʊləs/ |
Named after | Rōmulus |
| |
Main belt (Cybele) | |
Adjectives | Romulian,[2] -ean[3] (both /rɒˈmjuːliən/) |
Orbital characteristics[4] | |
Epoch 1 September 2004 (JD 1795812.5) | |
1351.35±0.1 km | |
Eccentricity | 0.0069±0.0037 |
3.6496+0.025 −0.024 d | |
Average orbital speed | 27.0 m/s |
167°±23° | |
Inclination | 1.7°±1.0° (with respect to Sylvia equator) |
93.17°±1.85° | |
175°±23° | |
Satellite of | 87 Sylvia |
Physical characteristics | |
Dimensions | 10.8±5.6 km[4] |
Mass | 9.319+20.7 −8.3×1014 kg[4] |
Equatorial escape velocity | ~ 4.8 m/s (estimate) [citation needed] |
10.7[5] | |
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