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(2008 EP)
Classification: Aten [NEO]          SPK-ID: 3404530
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2600094874291561 0.00052624  
a .8424265897298577 0.00016568 au
q .6233876839375054 0.00056592 au
i 15.8475027877255 0.053802 deg
node 348.1083919405635 0.0020086 deg
peri 21.48736787766676 0.0088015 deg
M 78.44215643478211 1.8246 deg
tp 2458938.961975613952
(2020-Mar-30.46197561)
1.4133 TDB
period 282.4207006266618
0.77
0.083318
0.0002281
d
yr
n 1.274694097143722 0.00037605 deg/d
Q 1.06146549552221 0.00020876 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      8 days  
   first obs. used      2008-03-02  
   last obs. used      2008-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39047  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:04:11  

Additional Information
 Earth MOID = .0393677 au 
 Jupiter MOID = 4.33636 au 
 T_jup = 6.924 
[ 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 24.2   n/a MPO136045  

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