320 Katharina

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320 Katharina
Discovery
Discovered by Johann Palisa
Discovery date 11 October 1891
Designations
Main belt (Eos)
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 108.42 yr (39602 d)
Aphelion 3.36300 AU (503.098 Gm)
Perihelion 2.6595 AU (397.86 Gm)
3.01122 AU (450.472 Gm)
Eccentricity 0.11682
5.23 yr (1908.6 d)
17.16 km/s
315.691°
0° 11m 19.036s / day
Inclination 9.3783°
219.929°
150.129°
Earth MOID 1.66358 AU (248.868 Gm)
Jupiter MOID 2.1203 AU (317.19 Gm)
Jupiter Tisserand parameter 3.219
Physical characteristics
Dimensions 17 - 37 km
Mass [7.72 x 10^15 kg - 7.97 x 10^16 kg]? (assumed)
Mean density
3.0 g/cm^3? (assumed)
Equatorial surface gravity
unknown
Equatorial escape velocity
unknown
6.893 h (0.2872 d)
0.3207-0.0677
Temperature 145.78 K-157.79 K
K-type?
10.8

320 Katharina is a small Main belt asteroid orbiting in the Eos family of asteroids, including 513 Centesima and 221 Eos.[1] It was discovered by Johann Palisa on October 11, 1891 in Vienna.

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