+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   146230 (2000 WN95) Classification: Main-belt Asteroid          SPK-ID: 2146230 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3024509651594565 5.3952e-08   a 3.0938335611906 2.1164e-08 au q 2.158100614565785 1.6523e-07 au i 12.47783158706755 4.5437e-06 deg node 261.0759934454259 2.8738e-05 deg peri 257.5687728327452 2.9114e-05 deg M 151.1076769348727 8.3053e-06 deg tp 2458166.189182710095 (2018-Feb-16.68918271) 4.2117e-05 TDB period 1987.668001499469 5.44 2.0396e-05 5.584e-08 d yr n .1811167658423947 1.8585e-09 deg/d Q 4.029566507815415 2.7565e-08 au   Orbit Determination Parameters    # obs. used (total)      586      data-arc span      7264 days (19.89 yr)      first obs. used      2000-11-21      last obs. used      2020-10-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50596      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 14:29:43   Additional Information  Earth MOID = 1.20804 au   Jupiter MOID = 1.40983 au   T_jup = 3.117  [ hide covariance matrix ] Orbital Elements at Epoch 2457456.5 (2016-Mar-09.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2995894401148158 5.4368e-08   q 2.170525355618311 1.6638e-07 au tp 2458165.144535958216 (2018-Feb-15.64453596) 4.2582e-05 TDB node 261.1287798088215 2.8711e-05 deg peri 257.7255660933302 2.9094e-05 deg i 12.47129600298498 4.5371e-06 deg   Orbit Determination Parameters    # obs. used (total)      586      data-arc span      7264 days (19.89 yr)      first obs. used      2000-11-21      last obs. used      2020-10-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50596      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 14:29:43   Additional Information  Jupiter MOID = 1.40983 au   T_jup = 3.117  Orbit Covariance (6×6)   e q tp node peri i e 2.955854049516517E-15 -9.011005128038456E-15 5.126390064076156E-14 5.753982651360914E-15 1.539200304667641E-14 7.855749253590733E-15 q -9.011005128038456E-15 2.76836582461895E-14 5.175054505668456E-14 -1.410638014996552E-14 -4.53005153009176E-14 -1.454250371292419E-14 tp 5.126390064076156E-14 5.175054505668456E-14 1.813184866785025E-9 2.974014127999629E-12 2.817216354665607E-10 2.412344510016926E-12 node 5.753982651360914E-15 -1.410638014996552E-14 2.974014127999629E-12 8.243112808196494E-10 -8.044562312581848E-10 2.820282496260958E-11 peri 1.539200304667641E-14 -4.53005153009176E-14 2.817216354665607E-10 -8.044562312581848E-10 8.464798197499792E-10 -2.748514556743682E-11 i 7.855749253590733E-15 -1.454250371292419E-14 2.412344510016926E-12 2.820282496260958E-11 -2.748514556743682E-11 2.05854429836024E-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 14.6   n/a MPO348314   146230 (2000 WN95)          Discovered 2000-Nov-21 by LINEAR at Socorro Reference: 20070106/Numbers.arc Last Updated: 2007-01-09 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 04:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin