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413923 (2006 WJ155)
Classification: Main-belt Asteroid          SPK-ID: 2413923
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03760661764343274 7.3819e-08  
a 2.522934958657293 2.3847e-08 au
q 2.428055908327818 1.8336e-07 au
i 9.82772976410442 5.4946e-06 deg
node 60.22243921741509 4.0794e-05 deg
peri 170.5998002451702 0.0001031 deg
M 324.425918845954 9.4926e-05 deg
tp 2459145.140095333847
(2020-Oct-22.64009533)		 0.00038544 TDB
period 1463.718320501514
4.01		 2.0753e-05
5.682e-08		 d
yr
n .2459489609152758 3.4872e-09 deg/d
Q 2.617814008986767 2.4744e-08 au
   Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      4933 days (13.51 yr)  
   first obs. used      2006-10-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:08:55  

Additional Information
 Earth MOID = 1.41695 au 
 Jupiter MOID = 2.36487 au 
 T_jup = 3.434 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457162.5 (2015-May-20.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03881438119369129 7.3791e-08  
q 2.425163272771042 1.836e-07 au
tp 2457678.857423569180
(2016-Oct-17.35742357)		 0.0003779 TDB
node 60.29317222539835 4.0811e-05 deg
peri 170.1025042747171 0.00010016 deg
i 9.826021041141139 5.4914e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      4933 days (13.51 yr)  
   first obs. used      2006-10-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:08:55  

Additional Information
 Jupiter MOID = 2.36487 au 
 T_jup = 3.434 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.445072122179944E-15 -1.344648919504685E-14 -1.436976871086067E-11 -5.199763338180384E-15 -3.27556526981977E-12 -2.531813382745407E-14
q -1.344648919504685E-14 3.370918721139196E-14 3.379630411614845E-11 1.222968659712776E-14 7.631670020516532E-12 6.291406679836725E-14
tp -1.436976871086067E-11 3.379630411614845E-11 1.428105914028132E-7 2.279220837298449E-10 3.460733242330773E-8 1.163794193183039E-10
node -5.199763338180384E-15 1.222968659712776E-14 2.279220837298449E-10 1.665576263678499E-9 -1.584462094711685E-9 -8.510333260982225E-11
peri -3.27556526981977E-12 7.631670020516532E-12 3.460733242330773E-8 -1.584462094711685E-9 1.003256479193926E-8 1.114376077390114E-10
i -2.531813382745407E-14 6.291406679836725E-14 1.163794193183039E-10 -8.510333260982225E-11 1.114376077390114E-10 3.015496678138414E-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 16.7   n/a MPO419034  

413923 (2006 WJ155)          Discovered 2006-Nov-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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