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(2008 EJ85)
Classification: Apollo [NEO]          SPK-ID: 3406337
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2603270146120648 0.00029166  
a 1.207371625084733 0.001665 au
q .893060174399107 0.00087943 au
i 6.683784533348918 0.011393 deg
node 169.0562235701127 0.046624 deg
peri 301.75891150312 0.21338 deg
M 256.800128586804 4.2217 deg
tp 2459339.410965514876
(2021-May-04.91096551)
5.9698 TDB
period 484.5737392940277
1.33
1.0024
0.002744
d
yr
n .7429209856161038 0.0015368 deg/d
Q 1.521683075770358 0.0020985 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      23 days  
   first obs. used      2008-03-14  
   last obs. used      2008-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .37653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:30:31  

Additional Information
 Earth MOID = .00193416 au 
 Jupiter MOID = 3.58492 au 
 T_jup = 5.234 
[ 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 25.1   n/a MPO138164  

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