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JPL Small-Body Database Browser
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(2011 EC12)
Classification: Apollo [NEO]          SPK-ID: 3558381
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4509827343441715 0.00058447  
a 1.010061687089103 0.0003475 au
q .5545413055893725 0.00039958 au
i 11.55926395897263 0.019954 deg
node 346.5376834413821 0.00096909 deg
peri 295.8109242595505 0.0016593 deg
M 356.7321172111749 1.9256 deg
tp 2459399.865768520784
(2021-Jul-04.36576852)
1.985 TDB
period 370.7833927293016
1.02
0.19135
0.0005239
d
yr
n .9709172715370933 0.00050105 deg/d
Q 1.465582068588834 0.00050422 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      3 days  
   first obs. used      2011-03-05  
   last obs. used      2011-03-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .33727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:52:45  

Additional Information
 Earth MOID = .00339948 au 
 Jupiter MOID = 3.72783 au 
 T_jup = 5.922 
[ 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 25.8   n/a MPO196819  

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