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392106 (2009 EA4)
Classification: Main-belt Asteroid          SPK-ID: 2392106
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2084241913582056 7.5803e-08  
a 2.794209431848661 4.0197e-08 au
q 2.211828590530133 2.174e-07 au
i 8.013192433838222 8.6869e-06 deg
node 111.7769292953637 6.4858e-05 deg
peri 63.71152574475339 6.8754e-05 deg
M 224.3375445793211 2.7381e-05 deg
tp 2460039.400895700090
(2023-Apr-04.90089570)
0.00014016 TDB
period 1706.030763886305
4.67
3.6814e-05
1.008e-07
d
yr
n .2110161244571739 4.5535e-09 deg/d
Q 3.37659027316719 4.8575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6088 days (16.67 yr)  
   first obs. used      2003-12-19  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:29:31  

Additional Information
 Earth MOID = 1.23175 au 
 Jupiter MOID = 1.64227 au 
 T_jup = 3.282 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO437605  

392106 (2009 EA4)          Discovered 2009-Mar-15 by OAM at La Sagra
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2009 EA4 = 2004 BA41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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