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(2020 BC9)
Classification: Apollo [NEO]          SPK-ID: 3989203
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5713776964898066 1.5866e-05  
a 2.327726249122098 8.6815e-05 au
q .9977153868398558 2.7964e-07 au
i 10.27852289408367 0.00019825 deg
node 159.7659071316022 5.9789e-05 deg
peri 343.13830868022 2.1037e-05 deg
M 29.99171572661032 0.0016913 deg
tp 2458892.432502881482
(2020-Feb-12.93250288)
4.9502e-05 TDB
period 1297.168168613587
3.55
0.072569
0.0001987
d
yr
n .2775276241821196 1.5526e-05 deg/d
Q 3.65773711140434 0.00013642 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      88 days  
   first obs. used      2020-01-24  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .3989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-15 06:53:54  

Additional Information
 Earth MOID = .0204632 au 
 Jupiter MOID = 1.39899 au 
 T_jup = 3.316 
[ 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 23.324   .29504 19 autocmod 2.8

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