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(2020 DR2)
Classification: Apollo [NEO, PHA]          SPK-ID: 3994619
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6905754922301028 1.1011e-05  
a 2.28312706785856 8.4129e-05 au
q .7064554691482635 1.2692e-06 au
i 19.7356400073286 0.00027456 deg
node 168.9531384958411 0.00017231 deg
peri 252.5641062535737 0.00052247 deg
M 43.48397044843991 0.00251 deg
tp 2458848.298040970979
(2019-Dec-30.79804097)
0.00037306 TDB
period 1260.066748399088
3.45
0.069646
0.0001907
d
yr
n .2856991508246522 1.5791e-05 deg/d
Q 3.859798666568857 0.00014223 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      61 days  
   first obs. used      2020-02-20  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .34455  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-22 07:45:05  

Additional Information
 Earth MOID = .00877473 au 
 Jupiter MOID = 2.07008 au 
 T_jup = 3.181 
[ 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 18.815   .31864 35 autocmod 2.8

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