(1551) Argelander
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Asteroid (1551) Argelander |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.3944 AU |
| eccentricity | 0.0662 |
| Perihelion - aphelion | 2.2358 AU - 2.5529 AU |
| Inclination of the orbit plane | 3.764 ° |
| Sidereal period | 3,705 a |
| Mean orbital velocity | 19.25 km / s |
| Physical Properties | |
| Medium diameter | 23 km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | ? H |
| Absolute brightness | 12,056 mag |
| Spectral class | ? |
| history | |
| Explorer | Yrjö Väisälä |
| Date of discovery | February 24, 1938 |
| Another name | 1938 DC 1 , 1930 BL, 1940 XD |
| 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. | |
(1551) Argelander is an asteroid of the main belt , which on 24 February 1938 by the Finnish astronomer Yrjö Väisälä at Turku was discovered.
The asteroid was named after the German astronomer Friedrich Wilhelm August Argelander .