(11521) Erikson
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Asteroid (11521) Erikson |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Themis family |
| Major semi-axis | 3.1562 AU |
| eccentricity | 0.1663 |
| Perihelion - aphelion | 2.6313 AU - 3.6811 AU |
| Inclination of the orbit plane | 2.1426 ° |
| Length of the ascending node | 119.2845 ° |
| Argument of the periapsis | 321.8868 ° |
| Sidereal period | 5.61 a |
| Mean orbital velocity | 16.78 km / s |
| Physical Properties | |
| Absolute brightness | 13.3 mag |
| history | |
| Explorer | Eric Walter Elst |
| Date of discovery | April 10, 1991 |
| Another name | 1991 GE 9 , 1988 RS 1 , 1991 FD 3 |
| 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. | |
(11521) Erikson is an asteroid of the main belt , which on 10 April 1991 by the Belgian astronomer Eric Walter Elst at the La Silla Observatory ( IAU code 809) of the European Southern Observatory in Chile was discovered.
The asteroid belongs to the Themis family, a group of asteroids named after (24) Themis .
(11521) Erikson was on 23 May 2000 after the German - US-American psychoanalyst Erik Erikson named (1900-1980), by his development of Erikson's stages of psychosocial development was announced.
See also
Web links
- Asteroid Erikson: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (11521) Erikson in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (11521) Erikson in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
Individual evidence
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)