Josephina (minor planet designation: 303 Josephina) is a large Main belt asteroid.[1] It was discovered by Elia Millosevich on 12 February 1891 in Rome. It was first of his two asteroid discoveries. The other was 306 Unitas.
Discovery | |
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Discovered by | Elia Millosevich |
Discovery date | 12 February 1891 |
Designations | |
MPC designation | (303) Josephina |
Minor planet category | Main belt |
Orbital characteristics[1] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 124.85 yr (45600 d) |
Aphelion | 3.31643 AU (496.131 Gm) |
Perihelion | 2.92967 AU (438.272 Gm) |
Semi-major axis | 3.12305 AU (467.202 Gm) |
Eccentricity | 0.061920 |
Orbital period (sidereal) | 5.52 yr (2015.9 d) |
Mean anomaly | 357.173° |
Mean motion | 0° 10m 42.892s / day |
Inclination | 6.87269° |
Longitude of ascending node | 344.002° |
Argument of perihelion | 64.1014° |
Physical characteristics | |
Dimensions | 99.29±1.9 km |
Synodic rotation period | 12.497 h (0.5207 d) |
Geometric albedo | 0.0594±0.002 |
Temperature | unknown |
Absolute magnitude (H) | 8.9 |
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