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(2016 EF156)
Classification: Aten [NEO]          SPK-ID: 3746623
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4504089298852039 0.00041541  
a .951262830797923 0.00030373 au
q .5228055571386607 0.00022824 au
i 22.07331892183429 0.029359 deg
node 354.8412858123426 0.00027781 deg
peri 305.0534833108052 0.016127 deg
M 119.6718469947194 0.70813 deg
tp 2458887.848050582551
(2020-Feb-08.34805058)
0.61264 TDB
period 338.8825593380476
0.93
0.1623
0.0004444
d
yr
n 1.062314923208801 0.00050877 deg/d
Q 1.379720104457185 0.00044053 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      9 days  
   first obs. used      2016-03-08  
   last obs. used      2016-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .46313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:36:24  

Additional Information
 Earth MOID = .0164569 au 
 Jupiter MOID = 3.96144 au 
 T_jup = 6.177 
[ 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 24.7   n/a MPO370896  

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