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(2008 EP7)
Classification: Apollo [NEO]          SPK-ID: 3405088
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2964057763380676 0.00028572  
a 1.320631314261147 0.00039247 au
q .9291885643012089 0.00010119 au
i 5.738944387263058 0.0065338 deg
node 162.0487917263691 0.0027123 deg
peri 84.47723484646529 0.0054519 deg
M 334.3116893327547 1.4845 deg
tp 2459040.055224817964
(2020-Jul-09.55522482)
2.3035 TDB
period 554.3331018891876
1.52
0.24711
0.0006766
d
yr
n .6494290143834218 0.0002895 deg/d
Q 1.712074064221084 0.00050881 au
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      30 days  
   first obs. used      2008-03-06  
   last obs. used      2008-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .42934  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:04:07  

Additional Information
 Earth MOID = .0572032 au 
 Jupiter MOID = 3.32047 au 
 T_jup = 4.898 
[ 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 23.6   n/a MPO138159  

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