(9947) 1990 QB

From Wikipedia, the free encyclopedia
Jump to: navigation, search
(9947) 1990 QB
AnimatedOrbitOf99471990QB.gif
Orbit of (9947) 1990 QB (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery and designation
Discovered by E. F. Helin
Discovery date August 17, 1990
Designations
MPC designation (9947) 1990 QB
Orbital characteristics
Epoch October 27, 2007
Aphelion 2.9238085 AU
Perihelion 1.7431665 AU
2.3334875 AU
Eccentricity 0.252978
1301.9870311 d
259.55315°
Inclination 21.84796°
332.30356°
56.75104°
Physical characteristics
Dimensions ~16.2km[1]
~0.01
Surface temp. min mean max
Kelvin
Celsius
14.6

(9947) 1990 QB is a main belt asteroid. It orbits the Sun once every 3.56 years.[2]

Discovered on August 17, 1990 by E. F. Helin, it was given the provisional designation "1990 QB".[3]

References[edit]

  1. ^ Tedesco E.F., Noah P.V., Noah M., Price S.D. "The supplemental IRAS minor planet survey (SIMPS)". 
  2. ^ "9947 (1990 QB)". JPL Small-Body Database Browser. 
  3. ^ MPO 18125 Minor Planet Center