(1659) Punkaharju
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Asteroid (1659) Punkaharju |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.7821 AU |
| eccentricity | 0.2592 |
| Perihelion - aphelion | 2.0611 AU - 3.5032 AU |
| Inclination of the orbit plane | 16.482 ° |
| Sidereal period | 4,641 a |
| Mean orbital velocity | 17.86 km / s |
| Physical Properties | |
| Medium diameter | 31.21 km |
| Albedo | 0.1654 |
| Rotation period | 5.01 h |
| Absolute brightness | 9,773 likes |
| Spectral class | S. |
| history | |
| Explorer | Yrjö Väisälä |
| Date of discovery | December 28, 1940 |
| Another name | 1940 YL, 1930 QB, 1937 EB |
| 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. | |
(1659) Punkaharju is an asteroid of the main belt , which on 28 December 1940 by the Finnish astronomer Yrjö Väisälä at Turku was discovered.
The asteroid is named after the Finnish municipality of Punkaharju .