(2021) Poincaré
Asteroid (2021) Poincaré |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2,3100 AU |
eccentricity | 0.2198 |
Perihelion - aphelion | 1.8022 AU - 2.8178 AU |
Inclination of the orbit plane | 5.488 ° |
Sidereal period | 3.511 a |
Mean orbital velocity | 19.60 km / s |
Physical Properties | |
Medium diameter | approx. 5.0 km |
Albedo | ? |
Rotation period | ? H |
Absolute brightness | 13.4 mag |
Spectral class | ? |
history | |
Explorer | Louis Boyer |
Date of discovery | 1936 |
Another name | 1936 MA, 1968 UQ 2 , 1971 LE |
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. |
(2021) Poincaré is an asteroid of the main belt , which on 26 June 1936 by the French astronomer Louis Boyer in Algiers was discovered.
The asteroid was named after the French mathematician Henri Poincaré .