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(2006 WE4)
Classification: Atira [NEO]          SPK-ID: 3360486
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1829173306136981 4.3066e-07  
a .7847422702691742 9.0537e-09 au
q .6411993089718037 3.3735e-07 au
i 24.76726876416736 5.8758e-05 deg
node 311.0108699550851 7.2834e-05 deg
peri 318.6143529340491 0.00016802 deg
M .4527716695139887 0.00028104 deg
tp 2459000.180650867567
(2020-May-30.68065087)
0.00019822 TDB
period 253.9153737233388
0.70
4.3942e-06
1.203e-08
d
yr
n 1.417795207596406 2.4536e-08 deg/d
Q .9282852315665449 1.071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      4995 days (13.68 yr)  
   first obs. used      2006-11-21  
   last obs. used      2020-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .35151  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-26 06:41:13  

Additional Information
 Earth MOID = .101006 au 
 Jupiter MOID = 4.21531 au 
 T_jup = 7.324 
[ show covariance matrix ]

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 18.9   n/a MPO369051  

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