(25142) Hopf
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Asteroid (25142) Hopf |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.7546 AU |
| eccentricity | 0.0626 |
| Perihelion - aphelion | 2.5821 AU - 2.9271 AU |
| Inclination of the orbit plane | 4.3443 ° |
| Sidereal period | 4.57 a |
| Mean orbital velocity | 17.95 km / s |
| Physical Properties | |
| Absolute brightness | 14.2 mag |
| history | |
| Explorer | Paul G. Comba |
| Date of discovery | September 26, 1998 |
| Another name | 1998 SA 28 , 1996 LC 2 |
| 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. | |
(25142) Hopf is an asteroid of the main belt , which on 26 September 1998 by the American Italo- astronomer Paul G. Comba at Prescott Observatory ( IAU code 684) in Arizona , was discovered.
The asteroid was named after the German-Swiss mathematician Heinz Hopf (1894–1971), who was a pioneer of algebraic topology and from 1931 was a professor at the ETH Zurich .
See also
Web links
- Asteroid Hopf: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (25142) Hopf in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (25142) Hopf in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).