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10121 Arzamas (1993 BS4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2010121
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538992505944388 5.2224e-08  
a 3.207388733983838 2.8913e-08 au
q 2.713774011458679 1.6904e-07 au
i .8955957920443481 6.0006e-06 deg
node 30.66290670308376 0.00038431 deg
peri 262.8619202716554 0.00038502 deg
M 251.4270887386878 2.5368e-05 deg
tp 2458233.268437350630
(2018-Apr-24.76843735)
0.00015238 JED
period 2098.098271473704
5.74
2.8369e-05
7.767e-08
d
yr
n .1715839552868685 2.3201e-09 deg/d
Q 3.701003456508996 3.3362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1215  
   data-arc span      16444 days (45.02 yr)  
   first obs. used      1971-03-24  
   last obs. used      2016-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5323  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:07:29  

Additional Information
 Earth MOID = 1.69755 au 
 Jupiter MOID = 1.48591 au 
 T_jup = 3.174 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO365371  
rotation period rot_per 12.1 h n/a LCDB (Rev. 2016-February); 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:
[Polishook, D.; Ofek, E.O.; Waszczak, A.; Kulkarni, S.R.; et al. (2011). MNRAS 421, 2094-2108.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

10121 Arzamas           Discovered 1993 Jan. 27 by E. W. Elst at Caussols.
Arzamas, on the Tesha river, was founded in 1578 by Ivan the Terrible. It became a major transit center on the road from Moscow to the eastern parts of Russia. Its main industry has always been the production of leather and the dyeing of fabrics.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

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Alternate Designations
 1993 BS4 = 1994 GA11 = 2118 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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