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(2016 EW85)
Classification: Apollo [NEO]          SPK-ID: 3746453
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4095453438620302 0.0002327  
a 1.149972366004081 0.00022635 au
q .6790065379371071 0.00013395 au
i 2.546137549515874 0.0018336 deg
node 351.9507802227377 0.00066113 deg
peri 279.4932382660951 0.00011551 deg
M 99.3113353753281 0.33884 deg
tp 2458876.241572239244
(2020-Jan-27.74157224)
0.38727 TDB
period 450.432307901333
1.23
0.13299
0.0003641
d
yr
n .7992321902425743 0.00023597 deg/d
Q 1.620938194071055 0.00031905 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      5 days  
   first obs. used      2016-03-11  
   last obs. used      2016-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48043  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:27:34  

Additional Information
 Earth MOID = .00317756 au 
 Jupiter MOID = 3.49419 au 
 T_jup = 5.382 
[ 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 27.6   n/a MPO370843  

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