+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   359038 (2008 WC110) Classification: Main-belt Asteroid          SPK-ID: 2359038 [ 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 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1978357187163694 1.0645e-07   a 2.163912382373093 3.5632e-08 au q 1.735813220967061 2.545e-07 au i 4.93026141100933 4.6202e-06 deg node 65.26727305405686 8.8192e-05 deg peri 291.2032861011916 9.235e-05 deg M 270.6465615086076 3.7725e-05 deg tp 2459289.080315453657 (2021-Mar-15.58031545) 0.00012841 TDB period 1162.673930822755 3.18 2.8718e-05 7.863e-08 d yr n .3096310929971994 7.6478e-09 deg/d Q 2.592011543779125 4.2681e-08 au   Orbit Determination Parameters    # obs. used (total)      106      data-arc span      4788 days (13.11 yr)      first obs. used      2005-12-26      last obs. used      2019-02-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62057      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 11:55:39   Additional Information  Earth MOID = .739368 au   Jupiter MOID = 2.86009 au   T_jup = 3.664  [ 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 17.9   n/a MPO471699   359038 (2008 WC110)          Discovered 2008-Sep-29 by Mt. Lemmon Survey at Mount Lemmon Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-24 13:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin