(1573) Väisälä
Asteroid (1573) Väisälä |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.3710 AU |
eccentricity | 0.2318 |
Perihelion - aphelion | 1.8214 AU - 2.9205 AU |
Inclination of the orbit plane | 24.562 ° |
Sidereal period | 3,651 a |
Mean orbital velocity | 19.34 km / s |
Physical Properties | |
Medium diameter | 9.78 km |
Albedo | 0.223 |
Absolute brightness | 12,127 mag |
history | |
Explorer | S. Arend |
Date of discovery | October 27, 1949 |
Another name | 1949 UA |
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. |
(1573) Väisälä or (1573) Vaisala is an asteroid of the main belt , which was discovered on October 27, 1949 by the Belgian astronomer Sylvain Julien Victor Arend in Ukkel .
The asteroid is named after the Finnish astronomer Yrjö Väisälä .