+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   136228 (2003 WN106) Classification: Main-belt Asteroid          SPK-ID: 2136228 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1926721685421027 2.8796e-08   a 2.356923160819141 9.6412e-09 au q 1.90280966433701 7.0043e-08 au i 6.233118887777418 3.6118e-06 deg node 113.3491743050748 4.5167e-05 deg peri 328.4684213527206 4.7749e-05 deg M 214.3178752429496 1.5551e-05 deg tp 2459535.335627040071 (2021-Nov-16.83562704) 5.8667e-05 TDB period 1321.650312662039 3.62 8.1095e-06 2.22e-08 d yr n .272386724802339 1.6713e-09 deg/d Q 2.811036657301272 1.1499e-08 au   Orbit Determination Parameters    # obs. used (total)      773      data-arc span      8107 days (22.20 yr)      first obs. used      1997-03-12      last obs. used      2019-05-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55318      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 15:54:30   Additional Information  Earth MOID = .921996 au   Jupiter MOID = 2.42427 au   T_jup = 3.521  [ 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 16.1   n/a MPO436670   136228 (2003 WN106)          Discovered 2003-Nov-21 by LINEAR at Socorro Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-26 16:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin