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9921 Rubincam

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This is an old revision of this page, as edited by Tom.Reding (talk | contribs) at 13:11, 13 April 2016 (Update infobox with JPL data (code); named unnamed [ssd.jpl.nasa.gov] ref using AWB). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

(9921) 1981 EO18
Orbit of (9921) 1981 EO18 (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery
Discovered byS. J. Bus
Discovery date2 March 1981
Designations
(9921) 1981 EO18
Main Belt asteroid
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc22681 days (62.10 yr)
Aphelion2.5184972 AU (376.76182 Gm)
Perihelion2.2347981 AU (334.32104 Gm)
2.3766477 AU (355.54144 Gm)
Eccentricity0.0596847
3.66 yr (1338.3 d)
289.85012°
0° 16m 8.41s / day
Inclination2.401065°
331.39626°
89.15014°
Earth MOID1.24767 AU (186.649 Gm)
Jupiter MOID2.65114 AU (396.605 Gm)
TJupiter3.537
Physical characteristics
Dimensions~12.3 km[2]
8.01 h (0.334 d)
~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.[1]

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

References

  1. ^ a b "9921 Rubincam (1981 EO18)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.
  2. ^ Tedesco E.F.; Noah P.V.; Noah M.; Price S.D. "The supplemental IRAS minor planet survey (SIMPS)".
  3. ^ (9921) 1981 EO18 Minor Planet Center's Minor Planet Ephemeris Service