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JPL Small-Body Database Browser
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(2008 EA9)
Classification: Apollo [NEO]          SPK-ID: 3405189
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07454118185286611 0.00084472  
a 1.04919700058779 0.0015864 au
q .9709886161674937 0.0005819 au
i .4389168888046432 0.0059513 deg
node 124.4565937921373 1.5025 deg
peri 343.1515067836376 2.053 deg
M 134.1807065002957 0.37256 deg
tp 2458854.190825185088
(2020-Jan-05.69082519)		 0.73807 TDB
period 392.5400626300349
1.07		 0.8903
0.002438		 d
yr
n .9171038430777866 0.00208 deg/d
Q 1.127405385008086 0.0017047 au
   Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      28 days  
   first obs. used      2008-03-06  
   last obs. used      2008-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .82343  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:04:05  

Additional Information
 Earth MOID = .00315251 au 
 Jupiter MOID = 3.88971 au 
 T_jup = 5.855 
[ 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 27.7   n/a MPO140737  

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