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Alexandra family (of asteroids)
A small family of main-belt asteroids lying at a mean distance of 2.6 to 2.7 AU from the Sun, with orbital inclinations of 11 to 12° and a variety of compositions, including representatives from classes C, G, and T. The prototype, 54 Alexandra, was discovered in 1858 by Hermann Goldschmidt.
| Data for (54) Alexandra | |
|---|---|
| diameter | 165 km |
| spectral class | C |
| semimajor axis | 2.710 AU |
| perihelion | 2.18 AU |
| aphelion | 3.25 AU |
| eccentricity | 0.199 |
| inclination | 11.8° |
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