(4957) Brucemurray
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Asteroid (4957) Brucemurray |
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| Properties of the orbit ( animation ) | |
| Orbit type | Cupid type |
| Major semi-axis | 1.5655 AU |
| eccentricity | 0.2190 |
| Perihelion - aphelion | 1.2227 AU - 1.9083 AU |
| Inclination of the orbit plane | 35.0111 ° |
| Sidereal period | 1.96 a |
| Mean orbital velocity | 23.80 km / s |
| Physical Properties | |
| Rotation period | 2.892 h |
| Absolute brightness | 15.1 mag |
| Spectral class | S. |
| history | |
| Explorer | EF Helin |
| Date of discovery | December 15, 1990 |
| Another name | 1990 XJ |
| 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. | |
(4957) Brucemurray is a near-Earth asteroid and Mars orbit cruiser of the Cupid type , which was discovered on December 15, 1990 by the American astronomer Eleanor Helin at the Palomar Observatory .
The celestial body was named in honor of Bruce C. Murray , a professor of planetary science at the California Institute of Technology and former director of the Jet Propulsion Laboratory .
See also
Web links
- Asteroid Brucemurray: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Brucemurray in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (4957) Brucemurray in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).