2122 Pyatiletka

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Pyatiletka
Discovery
Discovered by T. M. Smirnova
Discovery site Crimean Astrophysical Observatory
Discovery date 14 December 1971
Designations
MPC designation 2122
1971 XB
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 61.95 yr (22626 days)
Aphelion 2.4735229 AU (370.03376 Gm)
Perihelion 2.3299747 AU (348.55925 Gm)
2.401749 AU (359.2965 Gm)
Eccentricity 0.0298841
3.72 yr (1359.5 d)
38.41861°
0° 15m 53.268s / day
Inclination 7.898435°
105.51175°
236.86700°
Earth MOID 1.32571 AU (198.323 Gm)
Jupiter MOID 2.63934 AU (394.840 Gm)
Jupiter Tisserand parameter 3.512
Physical characteristics
8.8993 h (0.37080 d)
12.0

2122 Pyatiletka (1971 XB) is a main-belt asteroid discovered on December 14, 1971, by T. M. Smirnova at the Crimean Astrophysical Observatory. It is named in honor of Five-Year Plans of the USSR.[2]

References[edit]

  1. ^ "2122 Pyatiletka (1971 XB)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 15 April 2016. 
  2. ^ Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names (5th ed.). New York: Springer Verlag. p. 172. ISBN 3-540-00238-3. 

External links[edit]