+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   136211 (2003 WN33) Classification: Main-belt Asteroid          SPK-ID: 2136211 [ 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 .1070455240221114 4.6561e-08   a 2.410219074993427 1.2826e-08 au q 2.152215911102667 1.1038e-07 au i 5.301730288610299 4.1347e-06 deg node 285.998361598456 6.1133e-05 deg peri 138.4225867572218 6.6286e-05 deg M 147.4973222578222 2.5721e-05 deg tp 2458440.529896437571 (2018-Nov-18.02989644) 9.6312e-05 TDB period 1366.731505336082 3.74 1.0909e-05 2.987e-08 d yr n .2634021375774719 2.1025e-09 deg/d Q 2.668222238884188 1.4199e-08 au   Orbit Determination Parameters    # obs. used (total)      464      data-arc span      9100 days (24.91 yr)      first obs. used      1995-07-25      last obs. used      2020-06-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56406      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 15:54:40   Additional Information  Earth MOID = 1.16925 au   Jupiter MOID = 2.58264 au   T_jup = 3.506  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.3   n/a MPO469432   136211 (2003 WN33)          Discovered 2003-Nov-18 by NEAT at Palomar Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-26 16:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin