(17855) Geffert
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Asteroid (17855) Geffert |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.1006 AU |
| eccentricity | 0.1436 |
| Perihelion - aphelion | 2.6554 AU - 3.5457 AU |
| Inclination of the orbit plane | 5.1932 ° |
| Length of the ascending node | 245.1066 ° |
| Argument of the periapsis | 225.5166 ° |
| Sidereal period | 5.46 a |
| Mean orbital velocity | 16.92 km / s |
| Physical Properties | |
| Medium diameter | 14.754 ± 0.112 km |
| Albedo | 0.062 |
| Absolute brightness | 12.9 mag |
| history | |
| Explorer | Starkenburg observatory |
| Date of discovery | May 19, 1998 |
| Another name | 1998 KK , 1990 WO 15 |
| 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. | |
(17855) Geffert is an asteroid of the main belt that was discovered on May 19, 1998 at the Starkenburg observatory ( IAU code 611) near Heppenheim an der Bergstrasse in southern Hesse .
The asteroid was named after the German amateur astronomer Martin Geffert (* 1922), who is closely connected as a co-founder of the Starkenburg observatory.
See also
Web links
- Asteroid Geffert: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (17855) Geffert in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (17855) Geffert in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).