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100055 (1992 BK4)
Classification: Main-belt Asteroid          SPK-ID: 2100055
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07761487609703178 4.5217e-08  
a 2.539092431509487 1.2895e-08 au
q 2.342021087038967 1.15e-07 au
i 2.792801243019799 4.6218e-06 deg
node 22.89507830009172 0.00012004 deg
peri 41.64586900372026 0.00012502 deg
M 102.1164303047194 3.6806e-05 deg
tp 2458781.311541010816
(2019-Oct-24.81154101)
0.00015062 TDB
period 1477.801807072488
4.05
1.1258e-05
3.082e-08
d
yr
n .2436050614345618 1.8558e-09 deg/d
Q 2.736163775980007 1.3896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      10646 days (29.15 yr)  
   first obs. used      1992-01-29  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52024  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:30:58  

Additional Information
 Earth MOID = 1.35542 au 
 Jupiter MOID = 2.4717 au 
 T_jup = 3.441 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456539.5 (2013-Sep-04.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07628624440390927 4.4888e-08  
q 2.34582314249231 1.1389e-07 au
tp 2455821.824866995291
(2011-Sep-17.32486700)
0.00015283 TDB
node 22.94243530815379 0.00011993 deg
peri 40.92621961533359 0.00012518 deg
i 2.795238121589114 4.6221e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      10646 days (29.15 yr)  
   first obs. used      1992-01-29  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52024  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:30:58  

Additional Information
 Jupiter MOID = 2.4717 au 
 T_jup = 3.441 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.014902168766388E-15 -5.084630417731873E-15 1.411976838983971E-12 3.433760992850659E-14 3.44231954498993E-13 -2.238415017085793E-16
q -5.084630417731873E-15 1.297126749093191E-14 -3.58329655879934E-12 -8.976680183767603E-14 -8.59097573421311E-13 7.005813827934305E-16
tp 1.411976838983971E-12 -3.58329655879934E-12 2.335756050198674E-8 1.200146663363867E-10 5.524017499833673E-9 4.421982318308612E-12
node 3.433760992850659E-14 -8.976680183767603E-14 1.200146663363867E-10 1.438399359787489E-8 -1.433735492338883E-8 -7.029182227180854E-11
peri 3.44231954498993E-13 -8.59097573421311E-13 5.524017499833673E-9 -1.433735492338883E-8 1.566961397328364E-8 7.127048088057472E-11
i -2.238415017085793E-16 7.005813827934305E-16 4.421982318308612E-12 -7.029182227180854E-11 7.127048088057472E-11 2.136341638439609E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO453455  

100055 (1992 BK4)          Discovered 1992-Jan-29 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1992 BK4 = 2000 AO29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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