2120 Tyumenia

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2120 Tyumenia
Discovery[1]
Discovered by Tamara Mikhaylovna Smirnova
Discovery site Crimean Astrophysical Observatory
Discovery date 9 September 1967
Designations
MPC designation 2120
Named after
Tyumen Oblast
1967 RM
main belt [2]
Orbital characteristics[3][2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 74.05 yr (27048 days)
Aphelion 3.44972 AU (516.071 Gm)
Perihelion 2.67051 AU (399.503 Gm)
3.06012 AU (457.787 Gm)
Eccentricity 0.127317
5.35 yr (1955.3 d)
51.6502°
0° 11m 2.825s / day
Inclination 17.5695°
222.458°
75.6672°
Earth MOID 1.71915 AU (257.181 Gm)
Jupiter MOID 1.8187 AU (272.07 Gm)
Jupiter Tisserand parameter 3.151
Physical characteristics
Dimensions 41.18 kilometres (25.59 mi) ± 2.4 kilometres (1.5 mi)
Mean diameter [4]
Mean radius
20.59 ± 1.2 km
17.47 ± 0.07 hours,[5] 2.769 h (0.1154 d)[2]
0.0721 ± 0.009 [4][2]
10.4,[6] 11.0[2]

2120 Tyumenia (1967 RM) is a main-belt asteroid discovered on September 9, 1967 by Tamara Mikhaylovna Smirnova at the Crimean Astrophysical Observatory.[1] It is named after the Tyumen Oblast in Russia.[7]

References[edit]

  1. ^ a b "Discovery Circumstances: Numbered Minor Planets (1)-(5000)". IAU: Minor Planet Center. Archived from the original on 2 February 2009. Retrieved December 29, 2008. 
  2. ^ a b c d e "2120 Tyumenia (1967 RM)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 16 April 2016. 
  3. ^ "(2120) Tyumenia". AstDyS. University of Pisa. Retrieved December 29, 2008. 
  4. ^ a b Tedesco; et al. (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. Retrieved December 29, 2008. 
  5. ^ Oliver; et al. (2008). "Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory: 2008 March". The Minor Planet Bulletin 35 (4): 149–150. Bibcode:2008MPBu...35..149O. 
  6. ^ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on 1 December 2008. Retrieved December 29, 2008. 
  7. ^ Schmadel, Lutz (2003). Dictionary of minor planet names (fifth ed.). Germany: Springer. p. 172. ISBN 3-540-00238-3. Retrieved December 29, 2008. 

External links[edit]