(1720) Niels
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.