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(2020 BK8)
Classification: Apollo [NEO]          SPK-ID: 3989189
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4531046199599364 0.00068019  
a 1.83563723240073 0.0023277 au
q 1.003901521829488 2.4633e-05 au
i 9.14953436979957 0.010094 deg
node 303.6426873886546 0.00012713 deg
peri 184.5986105093186 0.011257 deg
M 48.93994590829625 0.093885 deg
tp 2458877.007751539697
(2020-Jan-28.50775154)
0.0092998 TDB
period 908.4033220840274
2.49
1.7279
0.004731
d
yr
n .3962997396069627 0.0007538 deg/d
Q 2.667372942971972 0.0033824 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      1 day  
   first obs. used      2020-01-25  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .8572  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-26 05:57:06  

Additional Information
 Earth MOID = .020279 au 
 Jupiter MOID = 2.41293 au 
 T_jup = 3.880 
[ 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 28.447   .51014 2 autocmod 2.8

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