252 Clementina
Clementina (minor planet designation: 252 Clementina) is a large main belt asteroid that was discovered by French astronomer Henri Joseph Anastase Perrotin on 11 October 1885 in Nice, France. The origin of the name is not known.
Discovery | |
---|---|
Discovered by | J. Perrotin |
Discovery date | 11 October 1885 |
Designations | |
MPC designation | (252) Clementina |
Alternative designations | A885 TB |
Minor planet category | Main belt |
Orbital characteristics | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 130.51 yr (47667 d) |
Aphelion | 3.3790 AU (505.49 Gm) |
Perihelion | 2.93952 AU (439.746 Gm) |
Semi-major axis | 3.15924 AU (472.616 Gm) |
Eccentricity | 0.069548 |
Orbital period (sidereal) | 5.62 yr (2051.0 d) |
Average orbital speed | 16.77 km/s |
Mean anomaly | 131.151° |
Mean motion | 0° 10m 31.876s / day |
Inclination | 10.044° |
Longitude of ascending node | 202.043° |
155.886° | |
Physical characteristics | |
Dimensions | 69.29±4.4 km |
Synodic rotation period | 10.864 h (0.4527 d) |
0.0843±0.012 | |
9.7 | |
Photometric observations of this asteroid at the Organ Mesa Observatory in Las Cruces, New Mexico, during 2012 gave a light curve with a period of 10.864 ± 0.001 hours and a brightness variation of 0.37 ± 0.02 in magnitude. This result is in agreement with previous studies.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.