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(2008 ED8)
Classification: Apollo [NEO]          SPK-ID: 3405174
[ 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .549155932947773 3.7509e-05  
a 2.191848260407293 0.00016546 au
q .9881817840833726 7.6169e-06 au
i 7.733657744273324 0.00038584 deg
node 169.7234323382356 2.2125e-05 deg
peri 2.727789800510176 0.0002409 deg
M 274.6894986821998 0.15709 deg
tp 2459281.375687034429
(2021-Mar-07.87568703)		 0.54902 TDB
period 1185.261436405328
3.25		 0.13421
0.0003674		 d
yr
n .3037304589034899 3.4393e-05 deg/d
Q 3.395514736731213 0.00025633 au
   Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      57 days  
   first obs. used      2008-03-08  
   last obs. used      2008-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .38051  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:04:06  

Additional Information
 Earth MOID = .00465724 au 
 Jupiter MOID = 1.57352 au 
 T_jup = 3.449 
[ 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 23.9   n/a MPO139292  

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