Bestla (moon)
Bestla imaged by the Cassini spacecraft in September 2015 | |
| Discovery | |
|---|---|
| Discovered by | Scott S. Sheppard David C. Jewitt Jan T. Kleyna Brian G. Marsden |
| Discovery date | 2004 |
| Designations | |
Designation | Saturn XXXIX |
| Pronunciation | /ˈbɛstlə/ |
Named after | Bestla |
| S/2004 S 18 | |
| Orbital characteristics | |
| 20337900 km | |
| Eccentricity | 0.461 |
| −1087.46 days | |
| Inclination | 136.3° |
| Satellite of | Saturn |
| Group | Norse group |
| Physical characteristics | |
| Dimensions | 15.56 × 7 × 5.98 km (modeled) |
| 7+50% −30% km | |
| −14.6238±0.0001 h | |
Pole ecliptic latitude | 85°+5° −15° |
| Albedo | 0.06 (assumed) |
Spectral type | g – r = 0.72 ± 0.07, r – i = 0.38 ± 0.07 |
| 23.8 | |
| 14.6 | |
Bestla /ˈbɛstlə/ or Saturn XXXIX is a retrograde irregular moon of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, and Brian G. Marsden on 4 May 2005, from observations taken between 13 December 2004 and 5 March 2005.