Top 10 Articles

LS-Studio
GayRomeo
Justus_Dahinden
Mercedes Benz OM601
Diyanet İşleri Başkanlığı
Radically 25
Ral color system
RTLnow.de
New concept
Electromagnetic compatibility

News:

(9921) 1981 EO18

(9921) 1981 EO18
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
Epoch October 27, 2007
Ap 2.5177340 AU
Peri 2.2375754 AU
Semi-major axis 2.3776547 AU
Eccentricity 0.0589149
Orbital period 1339.1264937 d
Mean anomaly 202.94141°
Inclination 2.39925°
Longitude of ascending node 331.52802°
Argument of peri 88.95675°
Dimensions ~12.3 km[1]
Geometric albedo ~0.01
Surface temp.
   Kelvin
   Celsius
min mean max
Absolute magnitude 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

  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 on 2008-01-31.
  3. ^ (9921) 1981 EO18 Minor Planet Center's Minor Planet Ephemeris Service
The original article is from Wikipedia. To view the original article please click here.
Creative Commons Licence