(1691) Oort
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 .