38 Leda
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| Discovery | |
|---|---|
| Discovered by: | J. Chacornac |
| Discovery date: | January 12, 1856 |
| Alternative names: | A904 SF; 1949 QO2 |
| Minor planet category: | Main belt |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion distance: | 472.587 Gm (3.159 AU) |
| Perihelion distance: | 348.232 Gm (2.328 AU) |
| Semi-major axis: | 410.409 Gm (2.743 AU) |
| Eccentricity: | 0.152 |
| Orbital period: | 1659.725 d (4.54 a) |
| Avg. orbital speed: | 17.88 km/s |
| Mean anomaly: | 107.567° |
| Inclination: | 6.955° |
| Longitude of ascending node: | 295.890° |
| Argument of perihelion: | 168.804° |
| Physical characteristics | |
| Dimensions: | 115.9 km |
| Mass: | 1.6×1018 kg |
| Mean density: | 2.0 g/cm³ |
| Equatorial surface gravity: | 0.0324 m/s² |
| Escape velocity: | 0.0613 km/s |
| Rotation period: | 0.5350 d (12.84 h) [1] |
| Albedo: | 0.062 [2] |
| Temperature: | ~170 K |
| Spectral type: | C |
| Absolute magnitude: | 8.32 |
38 Leda (IPA: [ˈlidə]) is a large, dark main belt asteroid.
It was discovered by J. Chacornac on January 12, 1856 and named after Leda, the mother of Helen of Troy in Greek mythology.
Leda is also the name of a satellite of Jupiter.
[edit] References
- ^ http://www.psi.edu/pds/archive/lc.html
- ^ http://www.psi.edu/pds/archive/astdata04/simps04/diamalb.tab
| Minor planets | ||
|---|---|---|
| Previous minor planet | 38 Leda | 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.
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