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(2020 BW12)
Classification: Aten [NEO]          SPK-ID: 3989284
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04247054894201586 1.2352e-05  
a .9919788304312825 9.131e-05 au
q .9498489449640071 7.5758e-05 au
i 18.75230005430906 0.017785 deg
node 124.2903263540041 0.00010898 deg
peri 251.9698213513672 0.11219 deg
M 69.52250210638731 0.16126 deg
tp 2459130.809284050110
(2020-Oct-08.30928405)
0.15202 TDB
period 360.8710414876634
0.99
0.049827
0.0001364
d
yr
n .9975862804505659 0.00013774 deg/d
Q 1.034108715898558 9.5188e-05 au
  Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      4 days  
   first obs. used      2020-01-26  
   last obs. used      2020-01-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .7658  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:15:44  

Additional Information
 Earth MOID = .0187994 au 
 Jupiter MOID = 4.04284 au 
 T_jup = 6.072 
[ 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 26.1   .65405 MPO530937 autocmod 2.8

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