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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2792739005961463 3.1516e-08  
a 2.702220251298382 1.0657e-08 au
q 1.947560661448384 8.4161e-08 au
i 3.324725539812555 4.5315e-06 deg
node 24.2788534202655 6.5415e-05 deg
peri 61.63723278545457 6.5923e-05 deg
M 182.018198036461 9.1706e-06 deg
tp 2460002.644559262889
(2023-Feb-27.14455926)
4.4056e-05 TDB
period 1622.480715156472
4.44
9.5981e-06
2.628e-08
d
yr
n .2218824523687985 1.3126e-09 deg/d
Q 3.45687984114838 1.3633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1342  
   data-arc span      13777 days (37.72 yr)  
   first obs. used      1982-10-25  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4631  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:15:43  

Additional Information
 Earth MOID = .966051 au 
 Jupiter MOID = 1.80311 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 14.35   n/a E2021B10  
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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