(10557) Rowland
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Asteroid (10557) Rowland |
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| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt asteroid |
| Major semi-axis | 2.3454 AU |
| eccentricity | 0.0616 |
| Perihelion - aphelion | 2.2008 AU - 2.4900 AU |
| Inclination of the orbit plane | 2.5924 ° |
| Length of the ascending node | 307.1275 ° |
| Argument of the periapsis | 71.9305 ° |
| Sidereal period | 3.59 a |
| Mean orbital velocity | 19.44 km / s |
| Physical Properties | |
| Medium diameter | 6.060 ± 0.116 |
| Albedo | 0.087 ± 0.011 |
| Absolute brightness | 14.3 mag |
| history | |
| Explorer | Eric Walter Elst |
| Date of discovery | September 15, 1993 |
| Another name | 1993 RL 5 , 1979 YZ 1 , 1984 BX 1 , 1995 DM 3 |
| 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. | |
(10557) Rowland is an asteroid of the main inner belt that was discovered on September 15, 1993 by the Belgian astronomer Eric Walter Elst at the La Silla Observatory of the European Southern Observatory in Chile ( IAU code 809).
The celestial body was named on March 20, 2000 after the American physicist Henry Augustus Rowland (1848-1901), who mainly worked in the field of electromagnetism and was known for the concave diffraction gratings he produced .
Web links
- (10557) Rowland in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (10557) Rowland in the Small-Body Database of the Jet Propulsion Laboratory (English).
- Discovery Circumstances by (10557) Rowland according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)