Sycorax
| Sycorax | |
|---|---|
 Sycorax | |
| Otkriće | |
| Otkrio | Nicholson, Gladman, Burns, Kavelaars |
| Datum otkrića | 6. rujna 1997. |
| Privremena oznaka | S/1997 U 2, Uran XVII. |
| Planet | Uran |
| Grupa satelita | Uranovi vanjski nepravilni |
| Orbitalni elementi [1] | |
| Ekscentricitet (e) | 0.4448 |
| Prosječna udaljenost | 16,256,000 km |
| Orbitalni period (P) | 1978.29 d |
| Inkl. prema ekliptici | 159°[2] |
| Inkl. prema ekvatoru planeta | 146.84°[nedostaje izvor] |
| Fizičke osobine | |
| Srednji promjer | ~150 km (procjena)[2] |
| Površina | ~70,000 km² (procjena) |
| Masa | ~2.3·1018 kg kg (procjena) |
| Volumen | ~1,800,000 km³ (procjena) |
| Gustoća | ~1.3 g/cm³ (pretpostavka) |
| Gravitacija na površini | ~0.040 m/s² (~0.0040 (g) (procjena) |
| Brzina oslobađanja | ~64 m/s |
| Albedo | 0.04 (pretpostavka)[2] |
| Prosječna površinska temperatura |
~64 K (procjena) |
Sycorax (također Uran XVII) je prirodni satelit planeta Uran, iz grupe vanjskih nepravilnih satelita, s oko 150 kilometara u promjeru i orbitalnim periodom od 1978.29 dana.
Uran · Sycorax · Francisco · Caliban · Stephano · Trinculo
Izvori
- ↑ Jacobson, R.A. (2003) URA066. 28. lipnja 2007. Planetary Satellite Mean Orbital Parameters. JPL/NASA. Pristupljeno 23. siječnja 2008.
- ↑ a b c Scott S. Sheppard, David C. Jewitt, and Jan Kleyna An Ultradeep Survey for Irregular Satellites of Uranus: Limits to Completeness, The Astronomical Journal, 129 (2005), pages 518–525. Preprint
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