S/2004 S 17
S/2004 S 17 is a natural satellite 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.
| Discovery | |
|---|---|
| Discovered by | Scott S. Sheppard et al. |
| Discovery site | Mauna Kea Obs. |
| Discovery date | 13 December 2004 |
| Orbital characteristics | |
| Epoch 9 August 2022 (JD 2459800.5) | |
| Observation arc | 15.67 yr (5,725 days) |
| 0.1326708 AU (19,847,000 km) | |
| Eccentricity | 0.1647702 |
| –2.86 yr (–1043.92 d) | |
| 226.13753° | |
| 0° 20m 41.48s / day | |
| Inclination | 168.11825° (to ecliptic) |
| 34.46812° | |
| 186.71765° | |
| Satellite of | Saturn |
| Group | Norse group |
| Physical characteristics | |
Mean diameter | ≈4 km |
| Albedo | 0.04 (assumed) |
| 25.2 | |
| 16.0 | |
S/2004 S 17 is about 4 kilometres in diameter, and orbits Saturn at an average distance of 19,847,000 kilometres in about 1,044 days, at an inclination of 168.1° to the ecliptic, in a retrograde direction and with an eccentricity of 0.165.
This moon was considered lost until its recovery was announced on 12 October 2022.
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