(1446) Sillanpää
Asteroid (1446) Sillanpää |
|
---|---|
Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.2456 AU |
eccentricity | 0.1010 |
Perihelion - aphelion | 2.0187 AU - 2.4724 AU |
Inclination of the orbit plane | 5.257 ° |
Sidereal period | 3,365 a |
Mean orbital velocity | 19.88 km / s |
Physical Properties | |
Medium diameter | ? km |
Albedo | ? |
Rotation period | ? H |
Absolute brightness | 12.6 mag |
Spectral class | ? |
history | |
Explorer | Yrjö Väisälä |
Date of discovery | January 26, 1938 |
Another name | 1938 BA, 1935 GB, 1952 HQ 3 |
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. |
(1446) Sillanpää is an asteroid of the main belt that was discovered in Turku on January 26, 1938 by the Finnish astronomer Yrjö Väisälä .
The name of the asteroid is reminiscent of the Finnish writer and Nobel Prize winner Frans Eemil Sillanpää .