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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2081712769662923 7.5775e-08  
a 2.794679367129478 4.0374e-08 au
q 2.212907394562786 2.1739e-07 au
i 8.013275347646532 8.687e-06 deg
node 111.7798462103652 6.4848e-05 deg
peri 63.73154076448165 6.8758e-05 deg
M 182.9392226293717 2.6775e-05 deg
tp 2460039.798168872023
(2023-Apr-05.29816887)
0.00014032 TDB
period 1706.461167068444
4.67
3.6979e-05
1.012e-07
d
yr
n .2109629020263318 4.5716e-09 deg/d
Q 3.376451339696171 4.8778e-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 = 1.23166 au 
 Jupiter MOID = 1.64311 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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