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(2011 EC)
Classification: Apollo [NEO]          SPK-ID: 3558197
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3637869488842082 0.00061951  
a 1.50534269864856 0.0013936 au
q .9577186712820805 4.5972e-05 au
i 1.080664441521564 0.001392 deg
node 167.6129364978192 0.0025465 deg
peri 33.44916286550461 0.0035797 deg
M 344.7432852849194 2.4829 deg
tp 2459029.089727913749
(2020-Jun-28.58972791)
4.6924 TDB
period 674.6080162838847
1.85
0.93677
0.002565
d
yr
n .5336432288235763 0.00074102 deg/d
Q 2.05296672601504 0.0019005 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      32 days  
   first obs. used      2011-02-02  
   last obs. used      2011-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .2789  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:54:20  

Additional Information
 Earth MOID = .00105727 au 
 Jupiter MOID = 2.90392 au 
 T_jup = 4.458 
[ 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 25.5   n/a MPO196818  

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