124 Alkeste
Encyclopedia : 1 : 12 : 124 : 124 Alkeste
| Orbital characteristics [1] | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.630 AU |
| Perihelion distance | 2.430 AU |
| Aphelion distance | 2.831 AU |
| Orbital period | 4.27 years |
| Inclination | 2.95° |
| Eccentricity | 0.076 |
| Physical characteristics [1] | |
| Diameter | 76.4 km |
| Rotation period | 9.921 hours |
| Spectral class | S |
| Abs. magnitude | 8.11 |
| Albedo [4] | 0.172 |
| History [2] | |
| Discoverer | C. H. F. Peters, 1872 |
124 Alkeste is a large Main belt asteroid. It is probably composed of silicate rock and metallic nickel-iron.
C.H.F. Peters discovered the asteroid on August 23, 1872, and named it after Alcestis, a woman in Greek mythology.
Only one stellar occultation by Alkeste has been observed. It passed over the third magnitude star Beta Virginis on June 24, 2003. The event was observed from Australia and New Zealand.
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