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JPL Small-Body Database Browser
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(2020 BJ4)
Classification: Apollo [NEO, PHA]          SPK-ID: 3989074
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6636061063245223 8.4669e-06  
a 2.842670325636746 6.9915e-05 au
q .9562569392766832 5.8652e-07 au
i 5.669098613898251 4.6136e-05 deg
node 11.15286877977898 0.00030664 deg
peri 198.3347494372248 0.00027814 deg
M 7.609215391433905 0.00029516 deg
tp 2458963.497970269751
(2020-Apr-23.99797027)
0.00010723 TDB
period 1750.605025307288
4.79
0.064583
0.0001768
d
yr
n .2056431889522357 7.5866e-06 deg/d
Q 4.729083711996809 0.00011631 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      129 days  
   first obs. used      2020-01-19  
   last obs. used      2020-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .48324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-29 06:06:45  

Additional Information
 Earth MOID = .0120182 au 
 Jupiter MOID = .337455 au 
 T_jup = 2.931 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.909   .45391 11 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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