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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2792739012709183 3.1473e-08  
a 2.702220251236479 1.0613e-08 au
q 1.947560659580386 8.4005e-08 au
i 3.324725649089296 4.5022e-06 deg
node 24.27885402076373 6.5407e-05 deg
peri 61.63723195682707 6.5912e-05 deg
M 182.0181984232918 9.0948e-06 deg
tp 2460002.644557491922
(2023-Feb-27.14455749)
4.3682e-05 TDB
period 1622.48071510072
4.44
9.5584e-06
2.617e-08
d
yr
n .2218824523764229 1.3072e-09 deg/d
Q 3.456879842892571 1.3577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      13777 days (37.72 yr)  
   first obs. used      1982-10-25  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:26:28  

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 14.36   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1900-Oct-07 02:38 00:02 Jupiter 1.87300381119004 1.87300299641002 1.8730046259701 0.842614804211493 n/a 2415299.609868042 2.10484238106121 52.7394617967698 37.5611766467857 -65.2663452746626 7128890.21005895 F 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:26:34 2021-Apr-13 02:26
1936-May-14 01:31 00:01 Jupiter 1.87902701227745 1.87902642416768 1.87902760038725 0.851283609418422 n/a 2428302.563460988 1.44836345415681 49.8982545042468 27.5900113506466 -76.1651063866407 9981547.95983038 F 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:26:34 2021-Apr-13 02:26
1971-Dec-13 18:45 < 00:01 Jupiter 1.87612343117462 1.87612301587618 1.87612384647311 0.836261289499329 n/a 2441299.281464501 0.806718587680775 49.2497866940185 19.4428753691322 -80.9330875259383 14279526.6544419 F 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:26:34 2021-Apr-13 02:26
2007-Jul-05 13:46 < 00:01 Jupiter 1.88843330337466 1.88843296550424 1.88843364124513 0.861939198428843 n/a 2454287.073549365 0.226553776543741 48.714850446107 15.7461412098701 -82.5297611768847 17800403.8629454 F 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:26:34 2021-Apr-13 02:26
2043-Jan-19 03:30 < 00:01 Jupiter 1.90250781610511 1.90250737460532 1.90250825760494 0.893156136939427 n/a 2467268.646142873 0.508073077781077 48.7808240533228 20.8379495120182 -80.7303867187812 13509235.7956444 F 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:26:34 2021-Apr-13 02:26
2078-Jul-27 11:39 00:01 Jupiter 1.921415801277 1.92141509547637 1.92141650868808 0.940367648115967 0.0512477758660908 2480241.985506738 1.1177448271482 1707312.18605521 4710.09237313334 1.31321576572789 7485880.29191756 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:26:34 2021-Apr-13 02:26
2114-Jan-26 22:48 00:02 Jupiter 1.95149999176909 1.95149896083396 1.95150102269469 1.02524803435716 0.427855396038172 2493208.449957598 1.71137403163148 4024.49374408669 429.817448168839 -0.95852560850989 748463.013359215 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:26:34 2021-Apr-13 02:26
2149-Jul-22 19:08 00:02 Jupiter 1.98294792181141 1.98294650395377 1.9829493396624 1.11988994855811 0.632334671137803 2506169.297155247 2.26688616821899 1684.45423882223 246.73082450628 -8.30303380566878 797398.588314028 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:26:34 2021-Apr-13 02:26

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