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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07761487618063057 4.5375e-08  
a 2.53909243147878 1.2941e-08 au
q 2.342021086798378 1.1549e-07 au
i 2.792801258791349 4.6218e-06 deg
node 22.89506533017936 0.00012067 deg
peri 41.64588200800353 0.00012565 deg
M 102.1164302752668 3.687e-05 deg
tp 2458781.311541139324
(2019-Oct-24.81154114)
0.0001509 TDB
period 1477.80180704568
4.05
1.1298e-05
3.093e-08
d
yr
n .243605061438981 1.8624e-09 deg/d
Q 2.736163776159182 1.3946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1992-01-29  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52161  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:23  

Additional Information
 Earth MOID = 1.35542 au 
 Jupiter MOID = 2.4717 au 
 T_jup = 3.441 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456528.5 (2013-Aug-24.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07629200825486583 4.5041e-08  
q 2.345795075571651 1.1436e-07 au
tp 2455821.817745803485
(2011-Sep-17.31774580)
0.00015325 TDB
node 22.94266051022091 0.00012056 deg
peri 40.92315471024266 0.00012581 deg
i 2.795254542787939 4.6221e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1992-01-29  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52161  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:23  

Additional Information
 Jupiter MOID = 2.4717 au 
 T_jup = 3.441 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.0287310846147E-15 -5.123265934172265E-15 1.454412745877668E-12 3.500137816353759E-14 3.546373773428367E-13 -2.239334355275797E-16
q -5.123265934172265E-15 1.307923617421326E-14 -3.701909563277515E-12 -9.158335404918812E-14 -8.882147896087204E-13 7.011676401995981E-16
tp 1.454412745877668E-12 -3.701909563277515E-12 2.348551775327351E-8 1.233528986510102E-10 5.55415419305949E-9 4.420420066056183E-12
node 3.500137816353759E-14 -9.158335404918812E-14 1.233528986510102E-10 1.453510213782571E-8 -1.448744684198856E-8 -7.051100636852227E-11
peri 3.546373773428367E-13 -8.882147896087204E-13 5.55415419305949E-9 -1.448744684198856E-8 1.582744422889276E-8 7.148909110989429E-11
i -2.239334355275797E-16 7.011676401995981E-16 4.420420066056183E-12 -7.051100636852227E-11 7.148909110989429E-11 2.136395994562001E-11

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 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

[ show close-approach data ]
Alternate Designations
 1992 BK4 = 2000 AO29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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