312 Pierretta

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312 Pierretta
312Pierretta (Lightcurve Inversion).png
A three-dimensional model of 312 Pierretta based on its light curve.
Discovery
Discovered by Auguste Charlois
Discovery date 28 August 1891
Designations
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 124.61 yr (45515 d)
Aphelion 3.22530 AU (482.498 Gm)
Perihelion 2.34089 AU (350.192 Gm)
2.78309 AU (416.344 Gm)
Eccentricity 0.15889
4.64 yr (1695.9 d)
17.86 km/s
42.6279°
0° 12m 44.212s / day
Inclination 9.02960°
6.28006°
262.571°
Earth MOID 1.34637 AU (201.414 Gm)
Jupiter MOID 1.95436 AU (292.368 Gm)
Jupiter Tisserand parameter 3.296
Physical characteristics
Dimensions 49.96±1.5 km
Mass unknown
Mean density
unknown
Equatorial surface gravity
unknown
Equatorial escape velocity
unknown
10.282 h (0.4284 d)
0.1967±0.013
Temperature unknown
unknown
8.89

312 Pierretta is a Main belt asteroid.[1] It was discovered by Auguste Charlois on August 28, 1891 in Nice.

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