Thione ( dr. Greek Θυώνη ) is an irregular satellite of the planet Jupiter . Also known as Jupiter XXIX .
| Thione | |
|---|---|
| Jupiter's satellite | |
| Discovery story | |
| Discoverer | Scott Sheppard |
| opening date | December 11, 2001 |
| Orbital characteristics | |
| Semimajor axis | 20,940,000 km |
| Eccentricity | 0.229 |
| Circulation period | 627.3 days |
| Orbital inclination | 148.5 ° |
| physical characteristics | |
| Diameter | 4 km |
| Weight | 9⋅10 13 kg |
| Albedo | 0.04 |
| Atmosphere | missing |
Content
Opening
It was discovered on December 11, 2001 by astronomers from the University of Hawaii under the direction of Scott Sheppard and received the provisional designation S / 2001 J 2 [1] [2] .
The satellite received its own name in August 2003 in honor of Semela , the beloved of Zeus in ancient Greek mythology [3] .
Orbit
Thione makes a complete revolution around Jupiter at an average distance of 20,940,000 km. in 627 days and 7 hours. The orbit has an eccentricity of 0.229. The inclination of the retrograde orbit is 148.5 °. Belongs to the Ananke group.
Physical Characteristics
The diameter of Thion is an average of 4 km. Density is estimated at 2.6 g / cm³. Presumably composed of silicate rocks. A very dark surface has an albedo of 0.04. The magnitude is 22.3 m .
Notes
- ↑ Sats OF JUPITER; XTE J0929-314; C / 2002 C1 (English) (inaccessible link - history ) . Date of treatment June 22, 2009.
- ↑ MPEC 2002-j54: eleven new satellites of jupiter . Date of treatment June 22, 2009. Archived April 2, 2012.
- ↑ Satellites of Jupiter, Saturn, Uranus (English) (unavailable link) . Date of treatment June 22, 2009. Archived July 9, 2008.