118 Peitho
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| Discovery | |
|---|---|
| Discovered by: | Karl Theodor Robert Luther |
| Discovery date: | March 15, 1872 |
| Alternative names: | |
| Minor planet category: | Main belt |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion distance: | 424.156 Gm (2.835 AU) |
| Perihelion distance: | 304.927 Gm (2.038 AU) |
| Semi-major axis: | 364.541 Gm (2.437 AU) |
| Eccentricity: | 0.164 |
| Orbital period: | 1389.411 d (3.80 a) |
| Avg. orbital speed: | 18.95 km/s |
| Mean anomaly: | 224.181° |
| Inclination: | 7.743° |
| Longitude of ascending node: | 47.743° |
| Argument of perihelion: | 33.655° |
| Physical characteristics | |
| Dimensions: | 41.7 km |
| Mass: | 7.6×1016 kg |
| Mean density: | ? g/cm³ |
| Equatorial surface gravity: | 0.0117 m/s² |
| Escape velocity: | 0.0220 km/s |
| Rotation period: | ? d |
| Albedo: | ? |
| Temperature: | ~178 K |
| Spectral type: | S |
| Absolute magnitude: | 9.14 |
118 Peitho is a main belt asteroid. It is probably an S-type asteroid. It was discovered by R. Luther on March 15, 1872 and named after one of the two Peithos in Greek mythology. There have been two observed Peithoan occultations of a dim star, one was in 2000 and the other in 2003.
| Minor planets | ||
|---|---|---|
| Previous minor planet | 118 Peitho | Next minor planet |
| List of asteroids | ||
Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)
For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.
