909 Ulla

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909 Ulla
Discovery
Discovered by K. Reinmuth
Discovery site Heidelberg
Discovery date 7 February 1919
Designations
1919 FA
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 96.01 yr (35068 days)
Aphelion 3.8664 AU (578.41 Gm)
Perihelion 3.2269 AU (482.74 Gm)
3.5467 AU (530.58 Gm)
Eccentricity 0.090150
6.68 yr (2439.7 d)
332.87°
0° 8m 51.216s / day
Inclination 18.790°
146.370°
233.389°
Earth MOID 2.26145 AU (338.308 Gm)
Jupiter MOID 1.63869 AU (245.145 Gm)
Jupiter Tisserand parameter 3.024
Physical characteristics
Mean radius
58.22±1.2 km
8.73 h (0.364 d)
0.0343±0.001
8.95

909 Ulla is a minor planet orbiting the Sun.

References[edit]

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