(9499) Excalibur
Asteroid (9499) Excalibur |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Asteroid family | Koronis family |
Major semi-axis | 2.9409 AU |
eccentricity | 0.0043 |
Perihelion - aphelion | 2.9282 AU - 2.9536 AU |
Inclination of the orbit plane | 0.9542 ° |
Sidereal period | 5.04 a |
Mean orbital velocity | 17.36 km / s |
Physical Properties | |
Absolute brightness | 13.7 mag |
history | |
Explorer |
C. J. v. Houten , I. v. Houten-Groeneveld T. Gehrels |
Date of discovery | 29th September 1973 |
Another name | 1269 T-2, 1953 UJ 1 , 1981 EP 24 |
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. |
(9499) Excalibur 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 is named after Excalibur , the sword of the mythical King Arthur .
See also
Web links
- Asteroid Excalibur: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Excalibur in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (9499) Excalibur in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).