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 | |
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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[1] | |
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° |
Argument of perihelion | 96.6218° |
Physical characteristics | |
Dimensions | 60.10±4.2 km |
Synodic rotation period | 16.222 h (0.6759 d) |
Geometric albedo | 0.1744±0.027 |
Spectral type | R |
Absolute magnitude (H) | 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.[2]
The spectrum of 246 Asporina reveals the strong presence of the mineral olivine, a relative rarity in the asteroid belt.[3]
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