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(2020 BD9)
Classification: Apollo [NEO]          SPK-ID: 3989204
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 2458876.5 (2020-Jan-28.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3844112319026238 0.00077431  
a 1.648952043244942 0.0021566 au
q 1.015076356952805 5.0789e-05 au
i 9.679201245216893 0.014728 deg
node 131.5442384149352 0.0013243 deg
peri 16.15951776515167 0.0028565 deg
M 351.7099500477896 0.016364 deg
tp 2458894.310048875331
(2020-Feb-14.81004888)
0.00022657 TDB
period 773.4112136935429
2.12
1.5173
0.004154
d
yr
n .4654703650865951 0.00091316 deg/d
Q 2.282827729537078 0.0029856 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      28 days  
   first obs. used      2020-01-25  
   last obs. used      2020-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .49001  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:46:42  

Additional Information
 Earth MOID = .0374713 au 
 Jupiter MOID = 2.73417 au 
 T_jup = 4.180 
[ 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 24.955   .45013 6 autocmod 2.8

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