(4548) Wielen
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Asteroid (4548) Wielen |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.2850 AU |
| eccentricity | 0.0643 |
| Perihelion - aphelion | 2.1382 AU - 2.4319 AU |
| Inclination of the orbit plane | 8.293 ° |
| Sidereal period | 3,454 a |
| Mean orbital velocity | 19.70 km / s |
| Physical Properties | |
| Medium diameter | ? km |
| Albedo | ? |
| Rotation period | ? H |
| Absolute brightness | 13.9 likes |
| Spectral class | Xc |
| history | |
| Explorer |
CJ van Houten , T. Gehrels |
| Date of discovery | September 24, 1960 |
| Another name | 2538 PL, 1981 UB 15 , 1981 WU 5 |
| 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. | |
(4548) Wielen is an asteroid of the main belt that was discovered on September 24, 1960 by the Dutch research team Cornelis Johannes van Houten and Tom Gehrels as part of the Palomar-Leiden survey .
The asteroid is named after the German astronomer Roland Wielen .