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(2019 JE)
Classification: Apollo [NEO]          SPK-ID: 3841673
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5126831436020807 5.9859e-06  
a 2.081461581582921 2.568e-05 au
q 1.014331314650031 5.8058e-08 au
i 3.699331641490387 3.5423e-05 deg
node 222.2249307330896 6.7269e-06 deg
peri 1.012106325199115 5.1352e-05 deg
M 128.8131265793032 0.0023859 deg
tp 2458608.028028648344
(2019-May-04.52802865)
4.6231e-05 TDB
period 1096.859562675173
3.00
0.020298
5.557e-05
d
yr
n .3282097474010092 6.0738e-06 deg/d
Q 3.148591848515812 3.8845e-05 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      7 days  
   first obs. used      2019-05-01  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .28594  
   source      ORB  
   producer      Giorgini  
   solution date      2019-Jul-14 10:45:23  

Additional Information
 Earth MOID = .00605686 au 
 Jupiter MOID = 1.83719 au 
 T_jup = 3.584 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458605.5 (2019-May-02.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .513429965928527 5.9733e-06  
q 1.014140055822004 6.3561e-08 au
tp 2458607.701682984048
(2019-May-04.20168298)
4.776e-05 TDB
node 222.339932100956 8.2028e-06 deg
peri .4603495279064945 5.3481e-05 deg
i 3.784585308535241 3.35e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      97  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      7 days  
   first obs. used      2019-05-01  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .28594  
   source      ORB  
   producer      Giorgini  
   solution date      2019-Jul-14 10:45:23  

Additional Information
 Jupiter MOID = 1.83719 au 
 T_jup = 3.584 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.568022107372284E-11 3.642039271853233E-13 1.086516053823928E-10 -2.709065150045369E-11 1.322366307811286E-10 1.880416993396957E-10
q 3.642039271853233E-13 4.040006711094132E-15 4.791055217417725E-13 -3.533199104025766E-13 6.710070511361254E-13 2.055737660096975E-12
tp 1.086516053823928E-10 4.791055217417725E-13 2.281046827067846E-9 1.050867442554679E-10 2.539483027180741E-9 2.551798518401765E-10
node -2.709065150045369E-11 -3.533199104025766E-13 1.050867442554679E-10 6.728581938979167E-11 7.66478904553241E-11 -1.792566479267496E-10
peri 1.322366307811286E-10 6.710070511361254E-13 2.539483027180741E-9 7.66478904553241E-11 2.860164297959559E-9 3.537383134727428E-10
i 1.880416993396957E-10 2.055737660096975E-12 2.551798518401765E-10 -1.792566479267496E-10 3.537383134727428E-10 1.122273263907817E-9

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.2   .46142 MPO467585 autocmod 2.7

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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