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JPL Small-Body Database Browser
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(2011 EY11)
Classification: Apollo [NEO]          SPK-ID: 3558379
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 .3729662952506709 0.00012898  
a 1.330628443404631 0.00022895 au
q .8343488825128387 2.812e-05 au
i 10.42232748906076 0.0032221 deg
node 345.8134111372468 0.00014587 deg
peri 245.9290419089314 0.0049617 deg
M 228.9173896367757 0.63988 deg
tp 2459600.639107344932
(2022-Jan-21.13910734)
1.0492 TDB
period 560.6394199851343
1.53
0.1447
0.0003962
d
yr
n .642123951986012 0.00016573 deg/d
Q 1.826908004296423 0.00031434 au
  Orbit Determination Parameters
   # obs. used (total)      49  
   data-arc span      2 days  
   first obs. used      2011-03-05  
   last obs. used      2011-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .29956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:52:45  

Additional Information
 Earth MOID = .00137237 au 
 Jupiter MOID = 3.20839 au 
 T_jup = 4.833 
[ 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 28.5   n/a MPO196819  

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