285 Regina

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285 Regina
Discovery
Discovered by Auguste Charlois
Discovery date 3 August 1889
Designations
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 104.63 yr (38215 d)
Aphelion 3.72130 AU (556.699 Gm)
Perihelion 2.44540 AU (365.827 Gm)
3.08335 AU (461.263 Gm)
Eccentricity 0.20690
5.41 yr (1977.6 d)
16.97 km/s
137.349°
0° 10m 55.348s / day
Inclination 17.6192°
311.385°
14.4439°
Earth MOID 1.43585 AU (214.800 Gm)
Jupiter MOID 1.61715 AU (241.922 Gm)
Jupiter Tisserand parameter 3.123
Physical characteristics
Dimensions 45.13±2.2 km
Mass unknown
Mean density
unknown
Equatorial surface gravity
unknown
Equatorial escape velocity
unknown
9.542 h (0.3976 d)
0.0547±0.006
Temperature unknown
unknown
10.7

285 Regina is typical, although fairly large Main belt asteroid.[1] It was discovered by Auguste Charlois on August 3, 1889 in Nice.

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