(29491) Pfaff
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Asteroid (29491) Pfaff |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.6339 AU |
| eccentricity | 0.0792 |
| Perihelion - aphelion | 2.4253 AU - 2.8426 AU |
| Inclination of the orbit plane | 2.3620 ° |
| Sidereal period | 4.27 a |
| Mean orbital velocity | 18.35 km / s |
| Physical Properties | |
| Absolute brightness | 14.7 mag |
| history | |
| Explorer | Paul G. Comba |
| Date of discovery | November 23, 1997 |
| Another name | 1997 WB 1 , 1995 FT 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. | |
(29491) Pfaff is an asteroid of the main belt , which on 23 November 1997 by the American Italo- astronomer Paul G. Comba at Prescott Observatory ( IAU code in 684) Arizona was discovered.
The asteroid was named after the German mathematician Johann Friedrich Pfaff (1765-1825), who dealt with the theory of partial differential equations and made a contribution to the analysis of differential geometry with the Pfaffian forms named after him .
See also
Web links
- Asteroid Pfaff: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (29491) Pfaff in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (29491) Pfaff in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).