Pallene (moon)
Cassini image of Pallene transiting Saturn on October 16, 2010 | |
| Discovery | |
|---|---|
| Discovered by | Voyager 2 (first discovery) Cassini Imaging Team |
| Discovery date | June 1, 2004 (second discovery by Cassini-Huygens) |
| Designations | |
Designation | Saturn XXXIII |
| Pronunciation | /pəˈliːniː/ |
Named after | Παλλήνη Pallēnē |
| S/1981 S 14 (first discovery) S/2004 S 2 (second discovery) | |
| Adjectives | Pallenean /pæləˈniːən/ |
| Orbital characteristics | |
| Epoch 21 June 2004 (JD 2453177.5) | |
| 212280 km | |
| Eccentricity | 0.0040 |
| 1.153746 d | |
| Inclination | 0.1813° (to Laplace plane) |
| Satellite of | Saturn |
| Physical characteristics | |
| Dimensions | 5.76 × 4.16 × 3.68 km (± 0.14 × 0.14 × 0.14 km) |
| 4.46±0.14 km | |
| Volume | 46.5 km3 |
| Mass | (1.15±0.40)×1013 kg |
Mean density | 0.251±0.075 g/cm3 |
| 0.011–0.016 mm/s2 | |
| 0.0007 km/s at longest axis to 0.0009 km/s at poles | |
| synchronous | |
| assumed zero | |
| Albedo | 0.29±0.11 0.47±0.11 (geometric) |
Pallene /pəˈliːniː/ is a very small natural satellite of Saturn. It is named after one of the Alkyonides of Greek mythology, and is also designated Saturn XXXIII. Its orbit lies between the orbits of the larger Mimas and Enceladus.