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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1281606914301056 3.7284e-08  
a 3.05819809106607 1.7377e-08 au
q 2.666257309184814 1.1812e-07 au
i 17.57303463903375 4.6704e-06 deg
node 222.4590478224413 1.4094e-05 deg
peri 75.42531535256181 2.3505e-05 deg
M 272.983361177702 2.0349e-05 deg
tp 2459072.668107377974
0.00011211 TDB
period 1953.425470767705
n .1842916483824276 1.5708e-09 deg/d
Q 3.450138872947326 1.9604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2312  
   data-arc span      28302 days (77.49 yr)  
   first obs. used      1941-11-14  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43867  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:30:35  

Additional Information
 Earth MOID = 1.7157 au 
 Jupiter MOID = 1.82338 au 
 T_jup = 3.151 
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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 11.0   n/a MPO347535  
diameter diameter 51.485 km 0.395 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 2.769 h n/a LCDB (Rev. 2019-January); 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:
[Warner, B.D. (2005) Minor Planet Bull. 32, 4-7.]
geometric albedo albedo 0.068   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

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

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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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