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(2020 WP)
Classification: Apollo [NEO]          SPK-ID: 54088815
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5541617870747032 0.00072735  
a 1.997313045228874 0.0030653 au
q .8904784787372235 8.6133e-05 au
i 2.491877151195562 0.002266 deg
node 98.00204072098073 0.0085957 deg
peri 19.0488704144345 0.0060452 deg
M 283.3595523822306 0.17952 deg
tp 2459219.994259512247
(2021-Jan-05.49425951)
0.0088467 TDB
period 1031.021293331906
2.82
2.3735
0.006498
d
yr
n .3491683463069942 0.00080381 deg/d
Q 3.104147611720524 0.004764 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      13 days  
   first obs. used      2020-11-16  
   last obs. used      2020-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .50728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-30 05:18:16  

Additional Information
 Earth MOID = .0171342 au 
 Jupiter MOID = 2.0202 au 
 T_jup = 3.636 
[ 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 24.212   .46099 9 autocmod 2.8

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