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390918 (2005 EU202)
Classification: Main-belt Asteroid          SPK-ID: 2390918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121508475989614 9.9317e-08  
a 2.20897289062999 1.8182e-08 au
q 1.940563961187168 2.1214e-07 au
i 2.707484653937407 1.1082e-05 deg
node 36.30189821225589 0.00011902 deg
peri 207.3566504004703 0.00012529 deg
M 178.0098232122044 3.6149e-05 deg
tp 2458407.539895616615
(2018-Oct-16.03989562)
0.00012052 TDB
period 1199.17897633968
3.28
1.4806e-05
4.054e-08
d
yr
n .3002053964445307 3.7065e-09 deg/d
Q 2.477381820072813 2.0391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5313 days (14.55 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:37:22  

Additional Information
 Earth MOID = .928017 au 
 Jupiter MOID = 2.53077 au 
 T_jup = 3.648 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO437600  

390918 (2005 EU202)          Discovered 2005-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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