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Cybele group
A group of asteroids in the outer part of the main asteroid belt at a mean distance from the Sun of 3.4 AU, corresponding roughly to a 4:7 resonance with Jupiter. Along with the Jupiter trojans, the Hilda group, and Thule, the Cybeles are thought to be remains of the original asteroid population that have remained in more-or-less the same orbital locations since the dawn of the solar system. The prototype, (65) Cybele, was discovered in 1861 by the German astronomer Wilhelm Tempel.
Data for (65) Cybele
| Diameter | 237 km |
| Spectral class | P |
| Semimajor axis | 3.433 AU |
| Perihelion | 3.077 AU |
| Aphelion | 3.789 AU |
| Eccentricity | 0.104 |
| Inclination | 3.55° |
Related category
• ASTEROIDS AND OTHER MINOR PLANETS: TYPES AND GROUPS
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