Tsanfau II

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Tsanfau II
Tsanfau II.jpeg
Discovery
Discovered byAllister Llloyd
Discovery date15 November 1799 at the Layfet Colonial Observatory, Layfet,  Prybourne
Designations
MPC designationTsanfau II
Orbital characteristics
Satellite ofTsanfau
Physical characteristics
Mean radius
344/5 km
Mass1.911E+20
Mean density
1.116 g/cm^3
0.107 m/s^2
272.1 m/s
Atmosphere
Composition by volume78% methane (CH4), 5% ammonia (NH3), 5% water (H20) 5% ammonium hydrosulfide (NH4SH) 5% methane hydrate, 2% trace other gases

Tsanfau II is the second-largest moon of Tsanfau. It is about 690 kilometers (428 mi) in diameter. Tsanfau II is mostly covered by freshly created and relatively clean ice sheets, exposed rocky mountaintops, old craters, ice scraps, ice geysers, water-ice layers, and a surprisingly dense atmosphere for its size.