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(2013 EN20)
Classification: Apollo [NEO]          SPK-ID: 3631789
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 2456359.5 (2013-Mar-08.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3907188607422216 0.0026856  
a 1.573737062749377 0.0063696 au
q .9588483104841303 0.00034729 au
i 2.07078682760011 0.005417 deg
node 166.6642066082838 0.00097704 deg
peri 32.8729436284891 0.060645 deg
M 346.5175421443885 0.073789 deg
tp 2456386.506186151751
(2013-Apr-04.00618615)
0.017721 TDB
period 721.1019770096248
1.97
4.3779
0.01199
d
yr
n .4992359076491548 0.0030309 deg/d
Q 2.188625815014624 0.0088583 au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      1 day  
   first obs. used      2013-03-07  
   last obs. used      2013-03-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .52578  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:46:33  

Additional Information
 Earth MOID = .00245992 au 
 Jupiter MOID = 2.7627 au 
 T_jup = 4.318 
[ 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 29.1   n/a MPO256838  

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