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18321 Bobrov (1982 UQ10)
Classification: Main-belt Asteroid          SPK-ID: 2018321
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2798450174848423 3.1575e-08  
a 2.701056478885041 1.0725e-08 au
q 1.94517928132391 8.4296e-08 au
i 3.325817819884364 4.7032e-06 deg
node 24.30230537569904 6.7838e-05 deg
peri 61.60902975361935 6.8377e-05 deg
M 137.6150925712055 9.2124e-06 deg
tp 2458380.684417081206
(2018-Sep-19.18441708)
3.988e-05 TDB
period 1621.432690860641
4.44
9.6569e-06
2.644e-08
d
yr
n .2220258676349466 1.3223e-09 deg/d
Q 3.456933676446172 1.3726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1318  
   data-arc span      13750 days (37.65 yr)  
   first obs. used      1982-10-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46688  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:21:02  

Additional Information
 Earth MOID = .964 au 
 Jupiter MOID = 1.80282 au 
 T_jup = 3.307 
[ 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 14.4   n/a MPO474008  
diameter diameter 3.842 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.300   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18321 Bobrov           Discovered 1982 Oct. 25 by L. V. Zhuravleva at the Crimean Astrophysical Observatory.
Vsevolod Mikhajlovich Bobrov (1922-1979) was an ice hockey champion of the 1956 winter Olympic games, a world champion in 1954 and 1956, a champion of Europe from 1954 to 1956 for ice-hockey and repeated champion of the former U.S.S.R. for football and hockey from 1945 to 1956.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

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Alternate Designations
 1982 UQ10 = 1991 VS1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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