246 Asporina
Asporina (minor planet designation: 246 Asporina) is a sizeable main-belt asteroid. It is classified as one of the few A-type asteroids.
3D model based on lightcurve data | |
| Discovery | |
|---|---|
| Discovered by | A. Borrelly |
| Discovery date | 6 March 1885 |
| Designations | |
MPC designation | (246) Asporina |
Named after | Asporina |
Alternative designations | A885 EA |
Minor planet category | Main belt |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 130.96 yr (47834 d) |
| Aphelion | 2.98941 AU (447.209 Gm) |
| Perihelion | 2.39768 AU (358.688 Gm) |
Semi-major axis | 2.69355 AU (402.949 Gm) |
| Eccentricity | 0.10984 |
Orbital period (sidereal) | 4.42 yr (1614.7 d) |
Average orbital speed | 18.14 km/s |
Mean anomaly | 172.414° |
Mean motion | 0° 13m 22.638s / day |
| Inclination | 15.6259° |
Longitude of ascending node | 162.347° |
| 96.6218° | |
| Physical characteristics | |
| Dimensions | 60.10±4.2 km |
Synodic rotation period | 16.222 h (0.6759 d) |
| 0.1744±0.027 | |
| R | |
| 8.62 | |
It was discovered by A. Borrelly on 6 March 1885 in Marseilles and was named after Asporina, a goddess worshipped on Mount Asporenus, Asia Minor.
The spectrum of 246 Asporina reveals the strong presence of the mineral olivine, a relative rarity in the asteroid belt.
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