863 Benkoela

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
863 Benkoela
Discovery
Discovered byMax Wolf
Discovery siteHeidelberg
Discovery date9 February 1917
Designations
MPC designation(863) Benkoela
1917 BH
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc99.11 yr (36199 days)
Aphelion3.2950 AU (492.92 Gm)
Perihelion3.1059 AU (464.64 Gm)
3.2004 AU (478.77 Gm)
Eccentricity0.029538
5.73 yr (2091.3 d)
52.959°
0° 10m 19.704s / day
Inclination25.418°
116.948°
95.689°
Earth MOID2.15664 AU (322.629 Gm)
Jupiter MOID1.91339 AU (286.239 Gm)
TJupiter3.042
Physical characteristics
Mean radius
13.53±0.75 km
8.20 h (0.342 d)
0.5952±0.070
9.02

863 Benkoela is a A-type asteroid orbiting the Sun that was discovered by German astronomer Max Wolf on 9 February 1917 from Heidelberg.

10µ radiometric data collected from Kitt Peak in 1975 gave a diameter estimate of 34 km.[2]

References[edit]

  1. ^ Yeomans, Donald K., "863 Benkoela", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 4 May 2016.
  2. ^ Morrison, D.; Chapman, C. R. (March 1976), "Radiometric diameters for an additional 22 asteroids", Astrophysical Journal, 204, pp. 934–939, Bibcode:2008mgm..conf.2594S, doi:10.1142/9789812834300_0469.

External links[edit]