(2638) gadolin
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Asteroid (2638) Gadolin |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Maria family |
| Major semi-axis | 2.5547 AU |
| eccentricity | 0.0825 |
| Perihelion - aphelion | 2.3438 AU - 2.7655 AU |
| Inclination of the orbit plane | 14.3720 ° |
| Sidereal period | 4,083 a |
| Mean orbital velocity | 18.63 km / s |
| Physical Properties | |
| Medium diameter | approx. 12 km |
| Albedo | ? |
| Rotation period | ? H |
| Absolute brightness | 11.8 mag |
| Spectral class | ? |
| history | |
| Explorer | Yrjö Väisälä |
| Date of discovery | September 19, 1939 |
| Another name | 1939 SG, 1964 WG, 1978 GF |
| 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. | |
(2638) Gadolin is an asteroid of the main belt , which on 19 September 1939 by the Finnish astronomer Yrjö Väisälä at Turku was discovered.
The name of the asteroid is reminiscent of the Finnish astronomer Jacob Gadolin and the chemist Johan Gadolin .