| Orbital characteristics | |
|---|---|
| Semi-major axis | 3.55×105 km |
| Orbital circumference | 2.23×106 km |
| Eccentricity | 0.006 |
| Perihelion | 3.53×105 km |
| Aphelion | 3.57×105 km |
| Orbital period | 22.88 (Earth) days 23.59 (Etheria) days |
| Inclination | 12.969° |
| Longitude of the ascending node |
103.63° |
| Argument of the perihelion |
2.44° |
| Satellite of | Etheria |
| Physical characteristics | |
| Equatorial radius | 1684 km .26 Earths |
| Surface area | 35,600,000 km² .070 Earths |
| Volume | 2.00×1010 km³ 1.85×10-2 Earths |
| Mass | 6.68×1022 kg 1.12×10-2 Earths |
| Mean density | 3.34 g/cm³ 0.61 Earths |
| Equatorial gravity | --- m/s² --- Earths |
| Escape velocity | --- km/s --- Earths |
| Rotation period | 22.88 (Earth) days |
| Rotation velocity | 5.35 m/s .012 Earths |
| Axial tilt | 4.65° |
| Albedo | |
| Surface temp. | |
| Min Mean Max |
|
| Adjective | |
The Outer Moon is the larger of Etheria's two moons. It is similar in size to Earth's moon.