309 Fraternitas
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| Discovery | |
|---|---|
| Discovered by: | Johann Palisa |
| Discovery date: | April 6, 1891 |
| Orbital characteristics | |
| Epoch 30 January, 2005 (JD 2453400.5) | |
| Aphelion | 444.129 Gm (2.969 AU) |
| Perihelion: | 353.145 Gm (2.361 AU) |
| Semi-major axis: | 398.637 Gm (2.665 AU) |
| Eccentricity: | 0.114 |
| Orbital period: | 1588.796 d (4.35 a) |
| Mean anomaly: | 317.538° |
| Inclination: | 3.722° |
| Longitude of ascending node: | 356.63° |
| Argument of perihelion: | 311.56° |
| Physical characteristics | |
| Dimensions: | 45.0 km |
| Mass: | unknown |
| Mean density: | unknown |
| Escape velocity: | unknown |
| Rotation period: | unknown |
| Albedo: | unknown |
309 Fraternitas is a common Main belt asteroid.
It was found by Johann Palisa on April 6, 1891 in Vienna.
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308 Polyxo | 309 Fraternitas | 310 Margarita
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| Near-Earth asteroids · Main belt · Jupiter Trojans · Neptune Trojans · Comets · Kuiper belt · Oort cloud |
