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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2077086007511501 9.7614e-08  
a 2.795910755375612 5.3447e-08 au
q 2.215176044551452 2.6414e-07 au
i 8.013261441507929 9.7348e-06 deg
node 111.779943810505 8.7776e-05 deg
peri 63.80298673451905 9.2389e-05 deg
M 140.6708258013882 3.5246e-05 deg
tp 2458333.255626681383
(2018-Aug-02.75562668)
0.00015456 TDB
period 1707.589139583567
4.68
4.8963e-05
1.341e-07
d
yr
n .2108235474534546 6.0452e-09 deg/d
Q 3.376645466199771 6.4548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      5149 days (14.10 yr)  
   first obs. used      2003-12-19  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .565  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:40:22  

Additional Information
 Earth MOID = 1.23429 au 
 Jupiter MOID = 1.64385 au 
 T_jup = 3.281 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456710.5 (2014-Feb-22.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058255702628705 9.8079e-08  
q 2.221315752599019 2.6492e-07 au
tp 2456622.461044373305
(2013-Nov-25.96104437)
0.00013102 TDB
node 111.8293535421222 8.7873e-05 deg
peri 63.68798633729972 9.2567e-05 deg
i 8.006516776068056 9.7284e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      5149 days (14.10 yr)  
   first obs. used      2003-12-19  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .565  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:40:22  

Additional Information
 Jupiter MOID = 1.64385 au 
 T_jup = 3.281 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.619556335040632E-15 -2.568047513123855E-14 4.196222538144718E-12 -8.539025867535973E-15 8.029664233587593E-13 -1.79992752954766E-14
q -2.568047513123855E-14 7.018015843625468E-14 -9.660697488496502E-12 2.316107143375995E-14 -1.802629155226433E-12 4.496725337771531E-14
tp 4.196222538144718E-12 -9.660697488496502E-12 1.716730781901839E-8 -2.911308755272583E-11 4.011083369670768E-9 -3.215120720668591E-11
node -8.539025867535973E-15 2.316107143375995E-14 -2.911308755272583E-11 7.721705164782986E-9 -7.651589307397907E-9 -9.752941729873957E-11
peri 8.029664233587593E-13 -1.802629155226433E-12 4.011083369670768E-9 -7.651589307397907E-9 8.568593229215301E-9 8.959105326501365E-11
i -1.79992752954766E-14 4.496725337771531E-14 -3.215120720668591E-11 -9.752941729873957E-11 8.959105326501365E-11 9.464189042839276E-11

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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