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392108 (2009 EY19)
Classification: Main-belt Asteroid          SPK-ID: 2392108
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472546829085668 8.5833e-08  
a 3.11447222245011 3.9211e-08 au
q 2.65585160290568 2.834e-07 au
i 10.425487999813 7.6671e-06 deg
node 157.9872444892093 2.9606e-05 deg
peri 33.6457584972899 4.0373e-05 deg
M 2.708058249163232 2.2089e-05 deg
tp 2458985.398133721691
(2020-May-15.89813372)
0.00012319 TDB
period 2007.590443031
5.50
3.7914e-05
1.038e-07
d
yr
n .17931944299181 3.3865e-09 deg/d
Q 3.573092841994541 4.4985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      5846 days (16.01 yr)  
   first obs. used      2004-05-19  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:27:46  

Additional Information
 Earth MOID = 1.66429 au 
 Jupiter MOID = 1.41039 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457962.5 (2017-Jul-28.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478320053249683 8.5934e-08  
q 2.655520425401451 2.8409e-07 au
tp 2456974.851658928362
(2014-Nov-13.35165893)
0.00012853 TDB
node 158.0132287665895 2.9607e-05 deg
peri 33.40159917756825 4.0249e-05 deg
i 10.42443500052634 7.667e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      5846 days (16.01 yr)  
   first obs. used      2004-05-19  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:27:46  

Additional Information
 Jupiter MOID = 1.41039 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.384725613272104E-15 -2.427598765593817E-14 -2.533409613671026E-12 -2.228833852191637E-14 -7.930965937636626E-13 -3.364336972277906E-14
q -2.427598765593817E-14 8.070768974483695E-14 6.579933318693759E-12 7.342583126108555E-14 2.341459873865934E-12 1.14036435532998E-13
tp -2.533409613671026E-12 6.579933318693759E-12 1.651924889050828E-8 -9.75527126926195E-12 3.484819142910558E-9 -1.006511605425262E-11
node -2.228833852191637E-14 7.342583126108555E-14 -9.75527126926195E-12 8.765525175280074E-10 -8.626000060122873E-10 8.883131520266818E-11
peri -7.930965937636626E-13 2.341459873865934E-12 3.484819142910558E-9 -8.626000060122873E-10 1.619963916275401E-9 -8.799899811003664E-11
i -3.364336972277906E-14 1.14036435532998E-13 -1.006511605425262E-11 8.883131520266818E-11 -8.799899811003664E-11 5.878227552947154E-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 15.8   n/a MPO423457  

392108 (2009 EY19)          Discovered 2008-Dec-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

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