(1691) Oort
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Asteroid (1691) Oort |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Themis family |
| Major semi-axis | 3.1688 AU |
| eccentricity | 0.1682 |
| Perihelion - aphelion | 2.6358 AU - 3.7018 AU |
| Inclination of the orbit plane | 1.077 ° |
| Sidereal period | 5,641 a |
| Mean orbital velocity | 16.73 km / s |
| Physical Properties | |
| Medium diameter | 40 km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | ? H |
| Absolute brightness | 10,799 likes |
| Spectral class | ? |
| history | |
| Explorer | K. Reinmuth |
| Date of discovery | September 9, 1956 |
| Another name | 1956 RB, 1945 TD, 1947 DA |
| 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. | |
(1691) Oort is an asteroid of the main belt that was discovered on September 9, 1956 by the German astronomer Karl Wilhelm Reinmuth in Heidelberg .
The asteroid bears the name of the Dutch astronomer Jan Hendrik Oort .