(1720) Niels
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Asteroid (1720) Niels |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.1883 AU |
| eccentricity | 0.1039 |
| Perihelion - aphelion | 1.9609 AU - 2.4157 AU |
| Inclination of the orbit plane | 0.729 ° |
| Sidereal period | 3,237 a |
| Mean orbital velocity | 20.13 km / s |
| Physical Properties | |
| Medium diameter | ? km |
| Albedo | ? |
| Rotation period | ? H |
| Absolute brightness | 12.7 mag |
| Spectral class | ? |
| history | |
| Explorer | K. Reinmuth |
| Date of discovery | February 7, 1935 |
| Another name | 1935 CQ, 1940 WH, 1951 AL |
| 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. | |
(1720) Niels is an asteroid of the main belt that was discovered on February 7, 1935 by the German astronomer Karl Wilhelm Reinmuth in Heidelberg .
The name is derived from the first name of a grandson of the discoverer.