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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .120998793541908 2.5065e-06  
a 1.113146198416836 1.4708e-05 au
q .9784568513726376 1.0153e-05 au
i 1.304747094228641 0.00023675 deg
node 165.3563610672274 0.013908 deg
peri 33.90094342195599 0.023089 deg
M 205.0326074833579 0.032876 deg
tp 2459385.156484399048
(2021-Jun-19.65648440)		 0.035515 TDB
period 428.969819418741
1.17		 0.0085018
2.328e-05		 d
yr
n .8392198791229745 1.6633e-05 deg/d
Q 1.247835545461035 1.6487e-05 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 = .00121542 au 
 Jupiter MOID = 3.70647 au 
 T_jup = 5.592 
[ 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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