&sq=Envato&lang=en&file=File:Bestla-cassini.png) 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[1] | |
| 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)[2] |
| 7+50% −30% km[3] | |
| −14.6238±0.0001 h[3] | |
Pole ecliptic latitude | 85°+5° −15°[4][a] |
| Albedo | 0.06 (assumed)[3] |
Spectral type | g – r = 0.72 ± 0.07, r – i = 0.38 ± 0.07[5] |
| 23.8[4] | |
| 14.6[4] | |
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.
- ^ Cite error: The named reference
JPLwas invoked but never defined (see the help page). - ^ Melnikov, A. V.; Kopylova, Yu. G. (2022-12-01). "Simulation of the Rotational Dynamics and Light Curves of Saturn's Small Moons in the Fast Rotation Mode". Solar System Research. 56 (6). Springer Link: 403–410. doi:10.1134/S0038094622050045. ISSN 1608-3423.
- ^ a b c Cite error: The named reference
LPSC2654was invoked but never defined (see the help page). - ^ a b c Cite error: The named reference
Denk2018was invoked but never defined (see the help page). - ^ Peña, José; Fuentes, Cesar (2022-05-17). "Colors of Irregular Satellites of Saturn with the Dark Energy Camera". The Astronomical Journal. 163 (6): 274. arXiv:2204.08391. Bibcode:2022AJ....163..274P. doi:10.3847/1538-3881/ac6258. ISSN 1538-3881.
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