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441274 (2007 WJ6)
Classification: Main-belt Asteroid          SPK-ID: 2441274
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2629834706674166 1.8218e-07  
a 2.601768370555488 5.3832e-08 au
q 1.917546294594096 5.1088e-07 au
i 15.60037008544674 7.3599e-06 deg
node 270.5562879992399 2.6862e-05 deg
peri 72.93897216256467 3.7078e-05 deg
M 50.77114527948481 2.2071e-05 deg
tp 2458784.319841532259
(2019-Oct-27.81984153)
8.927e-05 TDB
period 1532.856046874197
4.20
4.7574e-05
1.303e-07
d
yr
n .2348557131206891 7.289e-09 deg/d
Q 3.285990446516879 6.799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      5796 days (15.87 yr)  
   first obs. used      2003-12-14  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:56:32  

Additional Information
 Earth MOID = .973403 au 
 Jupiter MOID = 2.32438 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457615.5 (2016-Aug-15.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2647240192367938 1.8152e-07  
q 1.911921936619921 5.096e-07 au
tp 2457252.379278512415
(2015-Aug-17.87927851)
6.5067e-05 TDB
node 270.6258259094002 2.69e-05 deg
peri 72.96936360297126 3.6925e-05 deg
i 15.59214942565755 7.3533e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      5796 days (15.87 yr)  
   first obs. used      2003-12-14  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:56:32  

Additional Information
 Jupiter MOID = 2.32438 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.294880605042402E-14 -9.246101007850269E-14 -3.907287316346158E-12 -1.164247050260451E-13 -2.167720396187357E-12 -5.540608944400837E-13
q -9.246101007850269E-14 2.596940407510451E-13 1.062425886320217E-11 3.342047509451342E-13 5.985174175154605E-12 1.55973071858796E-12
tp -3.907287316346158E-12 1.062425886320217E-11 4.233746699579806E-9 -6.452423547644555E-11 1.66631536794059E-9 4.940423892021653E-11
node -1.164247050260451E-13 3.342047509451342E-13 -6.452423547644555E-11 7.2362018762442E-10 -7.169266890562278E-10 8.933519016365763E-11
peri -2.167720396187357E-12 5.985174175154605E-12 1.66631536794059E-9 -7.169266890562278E-10 1.363437130710124E-9 -5.304592016126875E-11
i -5.540608944400837E-13 1.55973071858796E-12 4.940423892021653E-11 8.933519016365763E-11 -5.304592016126875E-11 5.407120313920563E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO413511  

441274 (2007 WJ6)          Discovered 2007-Nov-17 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02

Alternate Designations
 2007 WJ6 = 2003 XJ41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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