137 Meliboea
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| Discovery | |
|---|---|
| Discovered by: | Johann Palisa |
| Discovery date: | April 21, 1874 |
| Alternative names: | |
| Minor planet category: | Main belt |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion distance: | 569.016 Gm (3.804 AU) |
| Perihelion distance: | 364.057 Gm (2.434 AU) |
| Semi-major axis: | 466.536 Gm (3.119 AU) |
| Eccentricity: | 0.220 |
| Orbital period: | 2011.587 d (5.51 a) |
| Avg. orbital speed: | 16.66 km/s |
| Mean anomaly: | 314.941° |
| Inclination: | 13.418° |
| Longitude of ascending node: | 202.446° |
| Argument of perihelion: | 106.741° |
| Physical characteristics | |
| Dimensions: | 145.4 km |
| Mass: | 3.2×1018 kg |
| Mean density: | ? g/cm³ |
| Equatorial surface gravity: | 0.0406 m/s² |
| Escape velocity: | 0.0769 km/s |
| Rotation period: | ? d |
| Albedo: | ? |
| Temperature: | ~158 K |
| Spectral type: | C |
| Absolute magnitude: | 8.05 |
137 Meliboea is a large and very dark main belt asteroid. It is composed of carbonaceous materials. It is the largest body in the Meliboea family of asteroids. Only 791 Ani approaches its size. It was discovered by J. Palisa on April 21, 1874, the second of his many asteroid discoveries. It is named after one of the two Meliboeas in Greek mythology.
| Minor planets | ||
|---|---|---|
| Previous minor planet | 137 Meliboea | 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.
