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(2020 BR8)
Classification: Apollo [NEO]          SPK-ID: 3989196
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2458874.5 (2020-Jan-26.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8568147893737937 0.0011942  
a 2.511827804815149 0.017275 au
q .3596565932892185 0.00052606 au
i 7.062063777265449 0.01727 deg
node 121.78929702 0.0036475 deg
peri 119.8808738930498 0.0024491 deg
M 348.4607412245807 0.13073 deg
tp 2458921.107803282851
(2020-Mar-12.60780328)
0.047205 TDB
period 1454.06299558583
3.98
15.001
0.04107
d
yr
n .2475821206459896 0.0025542 deg/d
Q 4.663999016341081 0.032077 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      4 days  
   first obs. used      2020-01-24  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .44238  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 05:44:38  

Additional Information
 Earth MOID = .0164033 au 
 Jupiter MOID = .581699 au 
 T_jup = 2.783 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.426104212525452E-6 -6.281943442880085E-7 -5.637221027037955E-5 4.349147947993593E-6 2.845503166618162E-6 2.061120245210577E-5
q -6.281943442880085E-7 2.767407915351461E-7 2.483119162916465E-5 -1.916683252868285E-6 -1.256143848888992E-6 -9.081933437072896E-6
tp -5.637221027037955E-5 2.483119162916465E-5 .002228343969098549 -.0001718916299376208 -.0001124113801776011 -.0008146590554472671
node 4.349147947993593E-6 -1.916683252868285E-6 -.0001718916299376208 1.3304191039726E-5 8.7784235217364E-6 6.297772103182441E-5
peri 2.845503166618162E-6 -1.256143848888992E-6 -.0001124113801776011 8.7784235217364E-6 5.997852136107495E-6 4.144055723958263E-5
i 2.061120245210577E-5 -9.081933437072896E-6 -.0008146590554472671 6.297772103182441E-5 4.144055723958263E-5 .0002982528537807276

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 25.586   .31846 2 autocmod 2.8

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