Monan
| Monan | |
|---|---|
| Planet | |
| Orbital characteristics | |
| Satellite of | Earth |
| Orbital period | 0h 54m 16s |
| Semi-major axis | 329,115.3 km |
| Eccentricity | 0.0549 |
| Periapsis | 0.002079 AU |
| Apoapsis | 0.002321 AU |
| Inclination | 5.1 |
| Physical characteristics | |
| Mass | 0.124 M⊕ |
| Radius | 0.545 R⊕ |
| Circumference | 21,828 km |
| Surface area | 1.517e+8 km² |
| Volume | 1.756e+11 km³ |
| Density | 4.232 g/cm³ |
| Surface gravity | 4.11 m/s² |
| Escape velocity | 5.344 km/s |
| Temperature | 250 K |
| Composition | |
| Composition | Silicates, rich oil shale, deep natural gas pockets, iron-nickel core |
| Atmosphere | CH4 65%, CO2 20%, N2 12%, H2S 3% |
| Surface pressure | 85 kPa |
| Rotation | |
| Rotation period | 19.5 days |
| Axial tilt | 1.54 |
| Equatorial velocity | 13.0 m/s |
| Observation | |
| Apparent magnitude | -14.5 |
| Angular diameter | 2604 |
| Albedo | 0.08 |
| System | |
| Satellites | 0 |