(9921) 1981 EO18

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(9921) 1981 EO18
AnimatedOrbitOf99211981EO18.gif
Orbit of (9921) 1981 EO18 (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery and designation
Discovered by S. J. Bus
Discovery date March 2, 1981
Designations
MPC designation (9921) 1981 EO18
Minor planet category Main Belt asteroid
Orbital characteristics
Epoch October 27, 2007
Aphelion 2.5177340 AU
Perihelion 2.2375754 AU
2.3776547 AU
Eccentricity 0.0589149
1339.1264937 d
202.94141°
Inclination 2.39925°
331.52802°
88.95675°
Physical characteristics
Dimensions ~12.3 km[1]
~0.01
Surface temp. min mean max
Kelvin
Celsius
14.3


(9921) 1981 EO18 is a main belt asteroid. It orbits the Sun once every 3.67 years.[2]

Discovered on March 2, 1981 by Schelte Bus at the Siding Spring Observatory, it was given the provisional designation "1981 EO18".[3]

References[edit]

  1. ^ Tedesco E.F., Noah P.V., Noah M., Price S.D. "The supplemental IRAS minor planet survey (SIMPS)". 
  2. ^ "9921 (1981 EO18)". JPL Small-Body Database Browser. JPL/NASA. Retrieved 2008-01-31. 
  3. ^ (9921) 1981 EO18 Minor Planet Center's Minor Planet Ephemeris Service