Daphnis (moon)
Cassini probe image of Daphnis surrounded by Saturn's rings (2017) | |
| Discovery | |
|---|---|
| Discovered by | Cassini Imaging Science Team |
| Discovery date | May 1, 2005 |
| Designations | |
Designation | Saturn XXXV |
| Pronunciation | /ˈdæfnəs/ |
Named after | Δάφνις Daphnis |
| S/2005 S 1 | |
| Adjectives | Daphnidian /dæfˈnɪdiən/ |
| Orbital characteristics | |
| Epoch 2005 May 1 09:56:20 (JD 2453491.91412) | |
| 136505.5±0.1 km | |
| Eccentricity | 0.0000331±0.0000062 |
| 0.5940798 d (14.257915 h) | |
| Inclination | 0.0036°±0.0013° |
| Satellite of | Saturn |
| Physical characteristics | |
| Dimensions | 9.8 × 8.4 × 5.6 km (± 0.6 × 1.6 × 1.2 km) |
| 7.8±1.0 km | |
| Volume | 248 km3 |
| Mass | (6.8±1.7)×1013 kg |
Mean density | 0.276±0.144 g/cm3 |
| 0.0002 m/s2 at longest axis to 0.0006 m/s2 at poles | |
| 0.001 km/s at longest axis to 0.002 km/s at poles | |
| synchronous | |
| assumed zero | |
| Albedo | 0.56±0.04 |
| Temperature | ≈ 78 K |
Daphnis is an inner satellite of Saturn. It is also known as Saturn XXXV; its provisional designation was S/2005 S 1. Daphnis is about 7.8 kilometers (4.8 mi) in diameter, and orbits the planet in the Keeler Gap within the A ring.