Befind ( irl. Bebhionn ) is an irregular satellite of the planet Saturn with direct orbital circulation. Named after the giantess of Celtic mythology . Also referred to as Saturn XXXVII [1] .
| Befind | |
|---|---|
| Satellite | |
| Discovery [1] | |
| Discoverer | D. Juitt , S. Sheppard , Jan Klein |
| opening date | December 12, 2004 |
| Orbital characteristics [2] | |
| Epoch : 2000-02-26.00 TT | |
| Semi-axis ( a ) | 17,119,000 km |
| The eccentricity of the orbit ( e ) | 0.4691 |
| Sidereal period of circulation | 834.84 d |
| Inclination ( i ) | 35.012 ° (to the ecliptic) |
| Whose companion | Saturn |
| physical characteristics | |
| Average radius | 3.0 km [3] (estimate) |
| Mass ( m ) | 2.6⋅10 14 kg (estimate) |
| Average density ( ρ ) | 2.3 g / cm³ [3] (presumably) |
| Rotation period ( t ) | ~ 16 h |
| Albedo | 0.04 [3] |
Belongs to the Gallic group .
Opening History
Befind was discovered in a series of observations, starting December 12, 2004 [4] . The announcement of the opening was made on May 4, 2005. The satellite received the temporary designation S / 2004 S 11 [5] .
The proper name was assigned on April 5, 2007 [6] .
Notes
- ↑ 1 2 Planet and Satellite Names and Discoverers . Gazetteer of Planetary Nomenclature . USGS Astrogeology (September 4, 2009). The appeal date is September 9, 2009. Archived August 17, 2011.
- ↑ Planetary Satellite Mean Orbital Parameters . Jet Propulsion Laboratory (August 20, 2009). The appeal date is September 9, 2009. Archived August 22, 2011.
- 2 1 2 3 Planetary Satellite Physical Parameters . Jet Propulsion Laboratory (April 3, 2009). The appeal date is September 9, 2009. Archived January 18, 2010.
- ↑ MPEC 2005-J13 (May 4, 2005). The appeal date is September 14, 2009. Archived on April 7, 2012.
- ↑ IAU Circular No. 8523 Neopr (Inaccessible reference - history ) (May 4, 2005). The appeal date is September 14, 2009.
- ↑ IAU Circular No. 8826 Neopr (Inaccessible reference - history ) (April 5, 2007). The appeal date is September 14, 2009.