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(2013 EC20)
Classification: Apollo [NEO]          SPK-ID: 3630817
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1208598410946685 1.4455e-06  
a 1.112254343342187 1.6074e-06 au
q .9778274601489957 3.0471e-07 au
i 1.303607223613931 0.00026284 deg
node 165.655004880146 0.0049564 deg
peri 33.25594455535163 0.0087014 deg
M 37.48637871221095 0.04085 deg
tp 2458955.885546243054
(2020-Apr-16.38554624)		 0.048714 TDB
period 428.4543854130313
1.17		 0.00092877
2.543e-06		 d
yr
n .840229467258128 1.8214e-06 deg/d
Q 1.246681226535379 1.8016e-06 au
   Orbit Determination Parameters
   # obs. used (total)      64  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      12 days  
   first obs. used      2013-03-01  
   last obs. used      2013-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .31732  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:46:34  

Additional Information
 Earth MOID = .000918789 au 
 Jupiter MOID = 3.70867 au 
 T_jup = 5.596 
[ 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.   .50057 13 autocmod 2.6i

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