(31555) Wheeler
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Asteroid (31555) Wheeler |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.2725 AU |
| eccentricity | 0.0459 |
| Perihelion - aphelion | 2.1682 AU - 2.3768 AU |
| Inclination of the orbit plane | 6.9106 ° |
| Length of the ascending node | 50.6952 ° |
| Sidereal period | 3.43 a |
| Mean orbital velocity | 19.75 km / s |
| Physical Properties | |
| Absolute brightness | 15.2 mag |
| history | |
| Explorer | Stefano Sposetti |
| Date of discovery | March 7, 1999 |
| Another name | 1999 EV 2 , 1990 SU 21 |
| 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. | |
(31555) Wheeler is an asteroid of the main belt that was discovered on March 7, 1999 by the Swiss amateur astronomer Stefano Sposetti at the Osservatorio Astronomico di Gnosca ( observatory code 143) in Gnosca in the canton of Ticino .
The asteroid is named after the American physicist John Archibald Wheeler (1911–2008), who in the 1950s and 1960s developed what is known as quantum geometry as an extension of the general theory of relativity and who coined the terms black holes and wormholes . The appointment took place on February 19, 2006.
See also
Web links
- Asteroid Wheeler: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (31555) Wheeler in the Small-Body Database of the Jet Propulsion Laboratory .
- (31555) Wheeler in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).