Pallene (moon)
Moon of Saturn / From Wikipedia, the free encyclopedia
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Pallene /pəˈliːniː/ is a very small natural satellite of Saturn. It is one of three small moons known as the Alkyonides that lie between the orbits of the larger Mimas and Enceladus. It is also designated Saturn XXXIII.
Quick Facts Discovery, Discovered by ...
Discovery | |
---|---|
Discovered by | Voyager 2 (first discovery) Cassini Imaging Team[1] |
Discovery date | June 1, 2004 (second discovery by Cassini-Huygens) |
Designations | |
Designation | Saturn XXXIII |
Pronunciation | /pəˈliːniː/[2] |
Named after | Παλλήνη Pallēnē |
S/1981 S 14 (first discovery) S/2004 S 2 (second discovery) | |
Adjectives | Pallenean /pælɪˈniːən/[3] |
Orbital characteristics[4] | |
Epoch 20 June 2004 (JD 2453177.5) | |
212300 km[5] | |
Eccentricity | 0.004[5] |
1.009549 d[5] | |
Inclination | 0.1810°±0.0014° (to Saturn's equator) |
Satellite of | Saturn |
Group | Alkyonides |
Physical characteristics | |
Dimensions | 5.76 × 4.16 × 3.68 km (± 0.14 × 0.14 × 0.14 km)[6]: 2 |
Mean diameter | 4.46±0.14 km[6]: 2 |
Volume | 46.5 km3[lower-alpha 1] |
Mass | (1.15±0.40)×1013 kg[6]: 3 |
Mean density | 0.251±0.075 g/cm3[6]: 3 |
0.011–0.016 mm/s2[6]: 3 | |
0.0007 km/s at longest axis to 0.0009 km/s at poles | |
synchronous | |
zero | |
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