(4342) Freud
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Asteroid (4342) Freud |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.764 AU |
| eccentricity | 0.092 |
| Perihelion - aphelion | 2.509 AU - 3.02 AU |
| Inclination of the orbit plane | 6.08 ° |
| Length of the ascending node | 133.48 ° |
| Sidereal period | 4.6 a |
| Physical Properties | |
| Medium diameter | 16.66 km |
| Albedo | 0.092 |
| Absolute brightness | 12.1 mag |
| Spectral class | SMASSII: Xc |
| history | |
| Explorer | Eric Walter Elst |
| Date of discovery | August 21, 1987 |
| Another name | 1987 QO 9 |
| 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. | |
(4342) Freud is a main belt asteroid discovered on August 21, 1987 by Eric Walter Elst at the La Silla Observatory .
The asteroid was named after the founder of psychoanalysis, Sigmund Freud (1859–1939).
Individual evidence
- ^ Lutz D. Schmadel: Dictionary of minor planet names . Vol. 1. Springer, Berlin & New York 2003
Web links
- (4342) Freud in the Small-Body Database of the Jet Propulsion Laboratory .