68 Leto
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Discovery | |
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Discovered by: | Karl Theodor Robert Luther |
Discovery date: | April 29, 1861 |
Orbital characteristics | |
Epoch December 31, 2006 (JD 2454100.5) | |
Aphelion | 493.518 Gm (3.299 AU) |
Perihelion: | 339.110 Gm (2.267 AU) |
Semi-major axis: | 416.314 Gm (2.783 AU) |
Eccentricity: | 0.185 |
Orbital period: | 1695.670 d (4.64 a) |
Avg. orbital speed: | 17.70 km/s |
Mean anomaly: | 24.606° |
Inclination: | 7.972° |
Longitude of ascending node: | 44.183° |
Argument of perihelion: | 305.392° |
Physical characteristics | |
Dimensions: | 122.6 km |
Mass: | 1.9×1018 kg |
Mean density: | ? g/cm³ |
Equatorial surface gravity: | 0.0343 m/s² |
Escape velocity: | 0.0648 km/s |
Rotation period: | ? d |
Albedo: | 0.228 (geometric)[1] |
Temperature: | ~167 K |
Spectral type: | S |
Apparent magnitude: | 9.56 (brightest) |
Absolute magnitude: | 6.78 |
68 Leto is a big main belt asteroid. Its spectral type is S. It was found by Robert Luther on April 29, 1861, and named after Leto, the mother of Apollo and Artemis in Greek mythology.
[change] References
[change] Other websites
- Orbital simulation from JPL (Java) / Ephemeris
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67 Asia | 68 Leto | 69 Hesperia
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Near-Earth asteroids · Main belt · Jupiter Trojans · Neptune Trojans · Comets · Kuiper belt · Oort cloud |