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160479 (2006 WJ168)
Classification: Main-belt Asteroid          SPK-ID: 2160479
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08971134613732049 8.1133e-08  
a 3.170866234680625 3.4133e-08 au
q 2.886403556346049 2.4833e-07 au
i .9956962490922334 8.6572e-06 deg
node 179.3880569031825 0.00033747 deg
peri 7.29703583944568 0.00033965 deg
M 28.67319690658339 3.4945e-05 deg
tp 2458836.237312018087
(2019-Dec-18.73731202)
0.00020076 TDB
period 2062.363951468253
5.65
3.3301e-05
9.117e-08
d
yr
n .1745569688336078 2.8185e-09 deg/d
Q 3.455328913015201 3.7195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6679 days (18.29 yr)  
   first obs. used      2002-01-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:33:41  

Additional Information
 Earth MOID = 1.88761 au 
 Jupiter MOID = 1.50239 au 
 T_jup = 3.196 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456940.5 (2014-Oct-10.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09018798345983352 8.1039e-08  
q 2.885011748962215 2.48e-07 au
tp 2456766.661589870760
(2014-Apr-19.16158987)
0.00020934 TDB
node 179.4101884232268 0.00033772 deg
peri 6.304459894120075 0.00033987 deg
i .9950376754782913 8.6571e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6679 days (18.29 yr)  
   first obs. used      2002-01-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:33:41  

Additional Information
 Jupiter MOID = 1.50239 au 
 T_jup = 3.196 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.567327090501457E-15 -1.995904791528284E-14 7.691968810819812E-14 3.305415640780147E-14 1.462132467096405E-13 -9.634250115811327E-16
q -1.995904791528284E-14 6.150352208472302E-14 -2.531513016427884E-12 -1.248315280248222E-13 -8.208270707702259E-13 3.372618568146855E-15
tp 7.691968810819812E-14 -2.531513016427884E-12 4.38240095267945E-8 6.391913353129893E-11 8.000361535802587E-9 1.881446551676344E-12
node 3.305415640780147E-14 -1.248315280248222E-13 6.391913353129893E-11 1.140520794096455E-7 -1.140248246394812E-7 2.716456061266659E-10
peri 1.462132467096405E-13 -8.208270707702259E-13 8.000361535802587E-9 -1.140248246394812E-7 1.155094856963463E-7 -2.712186125857189E-10
i -9.634250115811327E-16 3.372618568146855E-15 1.881446551676344E-12 2.716456061266659E-10 -2.712186125857189E-10 7.494545601185406E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO469696  

160479 (2006 WJ168)          Discovered 2006-Nov-23 by Spacewatch at Kitt Peak
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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