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JPL Small-Body Database Browser
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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1829173552520696 4.4655e-07  
a .7847422727879076 1.1726e-08 au
q .6411992916950454 3.4936e-07 au
i 24.76724948967762 6.7708e-05 deg
node 311.0108626166866 7.5868e-05 deg
peri 318.6143952547973 0.00023935 deg
M .4526974765171912 0.00041798 deg
tp 2459000.180703195870
(2020-May-30.68070320)
0.0002948 TDB
period 253.9153749458009
0.70
5.6912e-06
1.558e-08
d
yr
n 1.417795200770506 3.1778e-08 deg/d
Q .9282852538807698 1.3871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      49  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      4081 days (11.17 yr)  
   first obs. used      2006-11-21  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .33537  
   source      ORB  
   producer      Giorgini  
   solution date      2018-Apr-03 23:53:27  

Additional Information
 Earth MOID = .101005 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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