(5153) Gierasch
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Asteroid (5153) Gierasch |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.6581 AU |
| eccentricity | 0.1716 |
| Perihelion - aphelion | 2.2020 AU - 3.1142 AU |
| Inclination of the orbit plane | 12.7997 ° |
| Length of the ascending node | 90.8962 ° |
| Argument of the periapsis | 39.7140 ° |
| Sidereal period | 4,328 a |
| Mean orbital velocity | 18.28 km / s |
| Physical Properties | |
| Medium diameter | 28.21 (± 1.8) km |
| Albedo | 0.0735 |
| Rotation period | 9.00 h |
| Absolute brightness | 11.9 likes |
| history | |
| Explorer | Yrjö Väisälä |
| Date of discovery | April 9, 1940 |
| Another name | 1940 GO , 1957 GC, 1990 VL 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. | |
(5153) Gierasch is an asteroid of the main belt discovered on April 9, 1940 by the Finnish astronomer Yrjö Väisälä in Turku .
The asteroid was named on November 6, 2014 after the American astronomer Peter J. Gierasch (* 1940).
See also
Web links
- (5153) Gierasch in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (5153) Gierasch in the Small-Body Database of the Jet Propulsion Laboratory (English).
- Discovery Circumstances by (5153) Gierasch according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)