(9138) Murdoch
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Asteroid (9138) Murdoch |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.1823 AU |
| eccentricity | 0.0511 |
| Perihelion - aphelion | 2.0707 AU - 2.2939 AU |
| Inclination of the orbit plane | 3.1257 ° |
| Length of the ascending node | 176.9284 ° |
| Argument of the periapsis | 337.9183 ° |
| Sidereal period | 3.22 a |
| Mean orbital velocity | 20.16 km / s |
| Physical Properties | |
| Absolute brightness | 14.6 mag |
| history | |
| Explorer |
C. J. v. Houten , I. v. Houten-Groeneveld T. Gehrels |
| Date of discovery | 29th September 1973 |
| Another name | 2280 T-2 , 1991 CE 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. | |
(9138) Murdoch is an asteroid of the main belt , which on 29 September 1973 by the Dutch astronomer Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld and Tom Gehrels at Palomar Observatory ( observatory code 675) in California was discovered.
The asteroid was named on April 2, 1999 after the Anglo-Irish writer and philosopher Iris Murdoch (1919–1999), who is known for her novels, in which she combines detailed descriptions of people with captivating storylines.
See also
Web links
- Asteroid Murdoch: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Murdoch in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (9138) Murdoch in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).