Phoebe (muin)

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Phoebe
Phoebe closeup cassini NASA.jpg
Cassini mosaic o Phoebe
Discovery
Discovered bi W.H. Pickering
Discovery date 17 Mairch 1899 & 16 August 1898
Designations
Saturn IX
Adjectives Phoebean
Orbital chairactereestics[1]
12955759 km
Eccentricity 0.1562415
550.564636 d
Inclination 173.04° (tae the ecliptic)
151.78° (tae Saturn's equator)
Satellite o Saturn
Pheesical chairacteristics
Dimensions (218.8±2.8) × (217.0±1.2) 
× (203.6±0.6) km
[1]
Mean radius
106.5±0.7 km[1]
Mass (8.292±0.010)×1018 kg[1]
Mean density
1.638±0.033 g/cm³[1]
0.038–0.050 m/s2[1]
≈ 0.10 km/s
9.2735 h (9 h 16 min 25 s ± 3 s) [2]
152.14° [3]
Albedo 0.06
Temperatur ≈ 73(?) K

Phoebe (Greek: Auncient Greek: Φοίβη Phoíbē) is an irregular satellite o Saturn wi a mean diameter o 213 km.

References[eedit | eedit soorce]

  1. 1.0 1.1 1.2 1.3 1.4 Thomas, P. C. (Julie 2010). "Sizes, shapes, and derived properties of the saturnian satellites after the Cassini nominal mission" (PDF). Icarus. 208 (1): 395–401. Bibcode:2010Icar..208..395T. doi:10.1016/j.icarus.2010.01.025. 
  2. Bauer, J.M., Buratti, B.J., Simonelli, D.P., Owen, W.M. (2004): Recovering the Rotational Lightcurve of Phoebe. The Astronomical Journal, 610:L57-L60.
  3. Porco CC; et al. (2005-02-25). "Cassini Imaging Science: Initial Results on Phoebe and Iapetus". Science. 307 (5713): 1237–1242. Bibcode:2005Sci...307.1237P. PMID 15731440. doi:10.1126/science.1107981.