(1585) Union
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Asteroid (1585) Union |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.932 AU |
| eccentricity | 0.308 |
| Perihelion - aphelion | 2.030 AU - 3.833 AU |
| Inclination of the orbit plane | 26.169 ° |
| Sidereal period | 5.02 a |
| Mean orbital velocity | 17.39 km / s |
| Physical Properties | |
| Medium diameter | (50.4 ± 1.6) km |
| Albedo | 0.038 ± 0.003 |
| Rotation period | 9.38 h |
| Absolute brightness | 10.66 mag |
| history | |
| Explorer | E. L. Johnson |
| Date of discovery | September 7, 1947 |
| Another name | 1947 RG, 1929 DB, 1937 QF, 1939 CD 1 , 1944 DG, 1949 EE, 1952 QA 1 , 1952 SD |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(1585) Union is an asteroid of the main belt , which on September 7, 1947 by E. L. Johnson , from the Union Observatory in Johannesburg , was discovered off.
The asteroid is named after the Union Observatory.