(9499) Excalibur

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(9499) Excalibur
Properties of the orbit ( animation )
Epoch:  September 30, 2012 ( JD 2,456,200.5)
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
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