(1552) Bessel
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Asteroid (1552) Bessel  | 
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid | 
| Asteroid family | Eos family | 
| Major semi-axis | 3.0116 AU | 
| eccentricity | 0.0981 | 
| Perihelion - aphelion | 2.7161 AU - 3.3071 AU | 
| Inclination of the orbit plane | 9.86 ° | 
| Sidereal period | 5.226 a | 
| Mean orbital velocity | 17.16 km / s | 
| Physical Properties | |
| Medium diameter | 18.56 km | 
| Albedo | 0.204 | 
| Rotation period | ? H | 
| Absolute brightness | 11,439 likes | 
| Spectral class | ? | 
| history | |
| Explorer | Yrjö Väisälä | 
| Date of discovery | February 24, 1938 | 
| Another name | 1938 DE 1 , 1933 FJ 1 , 1948 EH | 
| 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. | |
(1552) Bessel 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 in honor of the German astronomer and mathematician Friedrich Wilhelm Bessel .