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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128670805494353 3.5685e-08  
a 3.061464377819204 1.5971e-08 au
q 2.667543290332938 1.1391e-07 au
i 17.56051715304301 4.5031e-06 deg
node 222.4341387006141 1.312e-05 deg
peri 75.03321890316128 2.2044e-05 deg
M 347.0457521370843 1.8682e-05 deg
tp 2459070.904747344133
(2020-Aug-09.40474734)
0.00010172 TDB
period 1956.555819535112
5.36
1.531e-05
4.192e-08
d
yr
n .1839967949831035 1.4398e-09 deg/d
Q 3.455385465305469 1.8026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2598  
   data-arc span      28704 days (78.59 yr)  
   first obs. used      1941-11-14  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:41:06  

Additional Information
 Earth MOID = 1.71707 au 
 Jupiter MOID = 1.81706 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 11.0   n/a MPO347535  
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. 2019-August); 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:
[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.]
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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