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2120 Tyumenia (1967 RM)
Classification: Main-belt Asteroid          SPK-ID: 2002120
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284045462209591 1.0584e-08  
a 3.060399992576981 1.3783e-08 au
q 2.667430720275507 3.189e-08 au
i 17.55799937714868 7.3147e-07 deg
node 222.3795632692588 1.8549e-06 deg
peri 74.88867762697079 1.3689e-05 deg
M 24.0092355728948 1.1254e-05 deg
tp 2459070.080795375263
(2020-Aug-08.58079538)
6.1007e-05 TDB
period 1955.535548908122
5.35
1.3211e-05
3.617e-08
d
yr
n .1840927924838834 1.2437e-09 deg/d
Q 3.453369264878455 1.5553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2930  
   data-arc span      28906 days (79.14 yr)  
   first obs. used      1941-11-14  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41053  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:22:09  

Additional Information
 Earth MOID = 1.71504 au 
 Jupiter MOID = 1.81629 au 
 T_jup = 3.150 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.09   n/a E2021B10  
diameter diameter 51.485 km 0.395 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 17.507 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Oliver, R.L.; Shipley, H.; Ditteon, R. (2008) Minor Planet Bull. 35, 149-150.]
[Pligge, Z.; Hall, B.; Ditteon, R. (2011) Minor Planet Bull. 38, 137-138.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Stephens, R. D.; Warner, B. D. (2019) MPB 46, 298-301.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.068   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2120 Tyumenia           Discovered 1967 Sept. 9 by T. M. Smirnova at the Crimean Astrophysical Observatory.
Named for the Tyumen' district of the R.S.F.S.R., the center of the West Siberian oil-gas basin that has become in recent years the main source of power in the U.S.S.R.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5283Last Updated: 2007-10-23

[ show close-approach data ]
Alternate Designations
 1967 RM = 1941 WS = 1971 KA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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