(5780) Lafontaine
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Asteroid (5780) Lafontaine |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main outer belt asteroid |
| Major semi-axis | 3.3464 AU |
| eccentricity | 0.1301 |
| Perihelion - aphelion | 2.9111 AU - 3.7816 AU |
| Inclination of the orbit plane | 8.6750 ° |
| Length of the ascending node | 233.3255 ° |
| Argument of the periapsis | 115.2883 ° |
| Sidereal period | 6.12 a |
| Mean orbital velocity | 16.26 km / s |
| Physical Properties | |
| Medium diameter | approx. 23 km |
| Absolute brightness | 12.1 mag |
| history | |
| Explorer | Eric Walter Elst |
| Date of discovery | March 2, 1990 |
| Another name | 1990 EJ 2 , 1962 TO, 1975 VT 1 , 1975 XB 7 |
| 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. | |
(5780) Lafontaine is an asteroid of the main outer belt discovered on March 2, 1990 by the Belgian astronomer Eric Walter Elst at the La Silla Observatory ( IAU code 809) of the European Southern Observatory in Chile .
The asteroid was named after the French writer Jean de La Fontaine (1621–1695), who is considered one of the greatest classics in France.
See also
Web links
- Asteroid Lafontaine: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Lafontaine in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (5780) Lafontaine in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).