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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.


Orbital Elements at Epoch 2456359.5 (2013-Mar-08.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3907325386878213 0.0024704  
a 1.573779067136292 0.0058595 au
q .9588523769003776 0.00031932 au
i 2.071113475297162 0.0049823 deg
node 166.6641466964477 0.00090061 deg
peri 32.87161823808007 0.055754 deg
M 346.5186416696172 0.067886 deg
tp 2456386.505064881909
(2013-Apr-04.00506488)
0.016284 TDB
period 721.1308474441561
1.97
4.0274
0.01103
d
yr
n .4992159207665544 0.002788 deg/d
Q 2.188705757372207 0.0081491 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .52882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 07:48:54  

Additional Information
 Earth MOID = .00246071 au 
 Jupiter MOID = 2.76262 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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