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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2783763391562227 3.0673e-08  
a 2.70422780576904 1.0481e-08 au
q 1.95143476895459 8.2179e-08 au
i 3.324073495539404 4.0885e-06 deg
node 24.23212783371072 6.5174e-05 deg
peri 61.62696386586524 6.5624e-05 deg
M 225.5377011056406 9.1351e-06 deg
tp 2460003.182362434512
(2023-Feb-27.68236243)
4.3436e-05 TDB
period 1624.289129907076
4.45
9.4428e-06
2.585e-08
d
yr
n .2216354178400462 1.2885e-09 deg/d
Q 3.457020842583491 1.3398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1381  
   data-arc span      14133 days (38.69 yr)  
   first obs. used      1982-10-25  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46218  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:08:11  

Additional Information
 Earth MOID = .97023 au 
 Jupiter MOID = 1.80374 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 14.36   n/a MPCxxxxx  
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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