Sinope (moon)
Moon of Jupiter / From Wikipedia, the free encyclopedia
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Sinope /səˈnoʊpiː/ is a retrograde irregular satellite of Jupiter discovered by Seth Barnes Nicholson at Lick Observatory in 1914,[1] and is named after Sinope of Greek mythology.
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
---|---|
Discovered by | Seth B. Nicholson |
Discovery site | Lick Observatory |
Discovery date | 21 July 1914 |
Designations | |
Designation | Jupiter IX |
Pronunciation | /səˈnoʊpiː/[2][3] |
Named after | Σινώπη Sinōpē |
Adjectives | Sinopean[4] /saɪnəˈpiːən/[5] |
Orbital characteristics [6] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Observation arc | 103.87 yr (37,938 days) |
0.1629144 AU (24,371,650 km) | |
Eccentricity | 0.3366550 |
–777.29 d (2.13 years) | |
71.53524° | |
0° 27m 47.33s / day | |
Inclination | 158.63840° (to ecliptic) |
8.61437° | |
60.30205° | |
Satellite of | Jupiter |
Group | Pasiphae group |
Physical characteristics | |
Mean diameter | 35.0±0.6 km[7] |
13.16±0.10 h[8] | |
Albedo | 0.042±0.006[7] |
18.3[9] | |
11.1[6] | |
Close
Sinope did not receive its present name until 1975;[10][11] before then, it was simply known as Jupiter IX. It was sometimes called "Hades"[12] between 1955 and 1975.