187 Lamberta
| Discovery | |
|---|---|
| Discovered by | J. Coggia, 1878 |
| Designations | |
| Main belt | |
| Orbital characteristics | |
| Aphelion | 3.380 AU |
| Perihelion | 2.084 AU |
| 2.732 AU | |
| Eccentricity | 0.237 |
| 4.52 years | |
| Inclination | 10.60° |
| Physical characteristics | |
| Dimensions | 131.31 ± 1.08[1] km |
| Mass | (1.80 ± 0.85) × 1018[1] kg |
Mean density | 1.51 ± 0.71[1] g/cm3 |
| 10.663 hours | |
| Albedo | 0.0647 ± 0.0135[2] |
Spectral type | C[2] (Tholen) |
| 7.980[2] | |
187 Lamberta is a main-belt asteroid that was discovered by French (Corsican) astronomer Jérôme Eugène Coggia on April 11, 1878 and named after the astronomer Johann Heinrich Lambert. It was the second of Coggia's five asteroid discoveries.
The spectrum matches a classification of a C-type asteroid, which may mean it has a composition of primitive carbonaceous materials. It is a dark object as indicated by the low albedo and has an estimated size of about 131 km.[1]
References
- ^ a b c d Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
- ^ a b c Pravec, P.; et al. (May 2012), "Absolute Magnitudes of Asteroids and a Revision of Asteroid Albedo Estimates from WISE Thermal Observations", Asteroids, Comets, Meteors 2012, Proceedings of the conference held May 16–20, 2012 in Niigata, Japan, no. 1667, Bibcode:2012LPICo1667.6089P. See Table 4.
External links
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