(1524) Joensuu
Asteroid (1524) Joensuu |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 3.1106 AU |
eccentricity | 0.1204 |
Perihelion - aphelion | 2.736 AU - 3.4851 AU |
Inclination of the orbit plane | 12.7 ° |
Sidereal period | 5,486 a |
Mean orbital velocity | 16.89 km / s |
Physical Properties | |
Medium diameter | 42.79 km |
Albedo | 0.046 |
Rotation period | 9.276 h |
Absolute brightness | 10,622 likes |
Spectral class | ? |
history | |
Explorer | Yrjö Väisälä |
Date of discovery | September 18, 1939 |
Another name | 1939 SB, 1931 EL, 1933 QO |
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. |
(1524) Joensuu is an asteroid of the main belt , which on 18 September 1939 by the Finnish astronomer Yrjö Väisälä at Turku was discovered.
The asteroid was named after the Finnish city of Joensuu .