+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2000 WL183) Classification: TransNeptunian Object          SPK-ID: 3063123 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 4 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07157828607378976 0.00041056   a 43.33616143282882 0.030581 au q 40.23423327244986 0.046101 au i 4.307609905281081 0.0004561 deg node 93.64829221830865 0.0027164 deg peri 198.3609334677498 0.29846 deg M 150.0376666819215 0.31636 deg tp 2415572.294095931917 (1901-Jul-06.79409593) 47.092 TDB period 104201.5279976913 285.29 110.3 0.302 d yr n .003454843771657324 3.657e-06 deg/d Q 46.43808959320778 0.03277 au   Orbit Determination Parameters    # obs. used (total)      20      data-arc span      7293 days (19.97 yr)      first obs. used      2000-11-26      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      4      norm. resid. RMS      .15849      source      ORB      producer      Otto Matic      solution date      2020-Dec-28 00:05:20   Additional Information  Earth MOID = 39.2183 au   Jupiter MOID = 35.0617 au   T_jup = 5.861  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 7.6   n/a MPO114608   [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2021-Jan-23 05:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin