(2204) Lyyli
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Asteroid (2204) Lyyli |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.5939 AU |
| eccentricity | 0.4056 |
| Perihelion - aphelion | 1.5418 AU - 3.6459 AU |
| Inclination of the orbit plane | 20.508 ° |
| Sidereal period | 4,178 a |
| Mean orbital velocity | 18.49 km / s |
| Physical Properties | |
| Medium diameter | 25.16 km |
| Albedo | 0.0232 |
| Rotation period | approx. 8 h |
| Absolute brightness | 11,945 mag |
| Spectral class | X |
| history | |
| Explorer | Yrjö Väisälä |
| Date of discovery | March 3, 1943 |
| Another name | 1943 EQ, 1968 DN |
| 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. | |
(2204) Lyyli is an asteroid of the main belt , which on 3 March 1943 by the Finnish astronomer Yrjö Väisälä at Turku was discovered.
The asteroid was named after the Finnish amateur astronomer Lyyli Heinänen (1903–1988).