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.

252 Clementina
Discovery
Discovered byJ. Perrotin
Discovery date11 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 arc130.51 yr (47667 d)
Aphelion3.3790 AU (505.49 Gm)
Perihelion2.93952 AU (439.746 Gm)
Semi-major axis
3.15924 AU (472.616 Gm)
Eccentricity0.069548
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
Inclination10.044°
Longitude of ascending node
202.043°
155.886°
Physical characteristics
Dimensions69.29±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.

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