68 Leto
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A three-dimensional model of 68 Leto based on its light curve. | |
| Discovery | |
|---|---|
| Discovered by | Karl Theodor Robert Luther |
| Discovery date | April 29, 1861 |
| Designations | |
Named after | Leto |
| Main belt | |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 493.518 Gm (3.299 AU) |
| Perihelion | 339.110 Gm (2.267 AU) |
| 416.314 Gm (2.783 AU) | |
| Eccentricity | 0.185 |
| 1695.670 d (4.64 a) | |
Average orbital speed | 17.70 km/s |
| 24.606° | |
| Inclination | 7.972° |
| 44.183° | |
| 305.392° | |
| Physical characteristics | |
| Dimensions | 124.96 ± 6.42[1] km |
| Mass | (3.28 ± 1.90) × 1018 kg[1] |
Mean density | 3.21 ± 1.92[1] g/cm3 |
| 0.0343 m/s² | |
| 0.0648 km/s | |
| Albedo | 0.228 (geometric)[2] |
| Temperature | ~167 K |
Spectral type | S |
| 9.56 (brightest) | |
| 6.78 | |
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68 Leto (/ˈliːtoʊ/ LEE-toh; Greek: Λητώ) is a large main belt asteroid. Its spectral type is S. It was discovered by Robert Luther on April 29, 1861. The asteroid is named after Leto, the mother of Apollo and Artemis in Greek mythology.
References
- 1 2 3 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
- ↑ Asteroid Data Sets
External links
- Orbital simulation from JPL (Java)
- Ephemeris
- 68 Leto at the JPL Small-Body Database
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