+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   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.arc Last Updated: 2007-08-06 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-04 12:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin