(7947) Toland
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Asteroid (7947) Toland |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.2296 AU |
| eccentricity | 0.0752 |
| Perihelion - aphelion | 2.0619 AU - 2.3974 AU |
| Inclination of the orbit plane | 5.1845 ° |
| Length of the ascending node | 193.5317 ° |
| Argument of the periapsis | 263.7729 ° |
| Sidereal period | 3.33 a |
| Mean orbital velocity | 19.94 km / s |
| Physical Properties | |
| Absolute brightness | 15.2 mag |
| history | |
| Explorer | Eric Walter Elst |
| Date of discovery | January 30, 1992 |
| Another name | 1992 BE 2 , 1977 RW 16 , 1996 HV 23 |
| 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. | |
(7947) Toland is an asteroid of the main belt , which on 30 January 1992 by the Belgian astronomer Eric Walter Elst at the La Silla Observatory of the European Southern Observatory ( IAU code in 809) Chile was discovered. The first sightings of the asteroid had already been made in September 1977 under the provisional designation 1977 RW16 at the Palomar Observatory (IAU code 675).
(7947) Toland was named after the Irish philosopher and free thinker of the Enlightenment John Toland (1670-1722).
See also
Web links
- (7947) Toland in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (7947) Toland in the Small-Body Database of the Jet Propulsion Laboratory of NASA at the California Institute of Technology (Caltech) in Pasadena , California (English)
- Discovery Circumstances of (7947) Toland according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)
Individual evidence
- ↑ Observations by (7947) Toland on minorplanetcenter.net (English)