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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200727653419839 1.0906e-05  
a 1.111218229718578 1.5113e-05 au
q .9777911839778445 1.2087e-06 au
i 1.304799479310809 0.00022634 deg
node 165.8298402638411 0.00042433 deg
peri 33.11278249951058 0.0027342 deg
M 60.91310818578432 0.03607 deg
tp 2458528.105475004165
(2019-Feb-13.60547500)
0.041392 TDB
period 427.8558388288405
1.17
0.0087287
2.39e-05
d
yr
n .8414049016730012 1.7165e-05 deg/d
Q 1.244645275459312 1.6928e-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 = .000996866 au 
 Jupiter MOID = 3.71187 au 
 T_jup = 5.600 
[ 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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