1585 Union

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1585 Union
Discovery
Discovered by E. L. Johnson
Discovery site Johannesburg (UO)
Discovery date 7 September 1947
Designations
MPC designation 1585
1947 RG, 1929 DB, 1937 QF, 1939 CD1, 1944 DG, 1949 EE, 1952 QA1, 1952 SD
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 68.60 yr (25055 days)
Aphelion 3.8321324 AU (573.27885 Gm)
Perihelion 2.0224364 AU (302.55218 Gm)
2.9272844 AU (437.91551 Gm)
Eccentricity 0.3091083
5.01 yr (1829.3 d)
225.62454°
0° 11m 48.45s / day
Inclination 26.188260°
150.09385°
264.59291°
Earth MOID 1.20593 AU (180.405 Gm)
Jupiter MOID 2.26628 AU (339.031 Gm)
Jupiter Tisserand parameter 3.058
Proper orbital elements
0.19656 deg / yr
1831.50183 yr
(668956.044 d)
Physical characteristics
Dimensions 50.42
Mean radius
25.21 ± 0.8 km
9.38 h (0.391 d)
9.38 hours
0.0378 ± 0.003
10.66

1585 Union (1947 RG) is a main-belt asteroid discovered on September 7, 1947, by E. L. Johnson at Johannesburg (UO).

References[edit]

  • Binzel, R.P. (1987) Icarus 72, 135-208.

External links[edit]