(21125) Orff
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Asteroid (21125) Orff |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.3441 AU |
| eccentricity | 0.1585 |
| Perihelion - aphelion | 1.9727 AU - 2.7156 AU |
| Inclination of the orbit plane | 7.1285 ° |
| Sidereal period | 3.59 a |
| Mean orbital velocity | 19.45 km / s |
| Physical Properties | |
| Absolute brightness | 14.5 mag |
| history | |
| Explorer | Freimut Börngen |
| Date of discovery | December 30, 1992 |
| Another name | 1992 YZ 4 , 1998 RA 34 , 2000 AQ 74 |
| 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. | |
(21125) Orff is an asteroid of the main belt that was discovered on December 30, 1992 by the German astronomer Freimut Börngen at the observatory of the Thuringian State Observatory in Tautenburg ( IAU code 033).
The asteroid is named after the German composer and music teacher Carl Orff (1895–1982) who created the Orff school work as a new model for music and movement education and who composed Carmina Burana, one of the most popular choral works of the 20th century.
See also
Web links
- Asteroid Orff: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (21125) Orff in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (21125) Orff in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).