Anthe (moon)
Anthe is a very small moon of Saturn between the orbits of Mimas and Enceladus. It is also known as Saturn XLIX and its designation was S/2007 S 4. It is named after one of the Alkyonides; the name means flowery.
| Anthe | |||
|---|---|---|---|
| Discovery | |||
| Discovered by | Cassini Imaging Science Team | Discovered on | 30 May 2007 |
| Orbital characteristics | |||
| Semi-major axis | 197,700 km | ||
| Eccentricity | 0.001 | ||
| Orbital period | 1.03650 d | ||
| Inclination (to Saturn's equator) |
0.1° | ||
| Is a moon of | Saturn | ||
| Physical characteristics | |||
| Mean diameter | ≈ 2 km | ||
| Mean density | unknown | ||
| Surface gravity | unknown | ||
| Rotation period | assumed synchronous | ||
| Axial tilt | unknown | ||
| Albedo | unknown | ||
| Atmosphere | none | ||
It was found by the Cassini Imaging Team in images taken on May 30, 2007. Once the find was made, a search of older Cassini images showed this small moon in observations from as far back as June 2004. It was first announced on July 18, 2007.
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