+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   379070 (2008 WS103) Classification: Main-belt Asteroid          SPK-ID: 2379070 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .140086992533388 1.1759e-07   a 2.907154531339171 2.7188e-08 au q 2.499899996214055 3.4161e-07 au i 10.06021013428739 1.0863e-05 deg node 229.7757356337472 4.3496e-05 deg peri 172.9186510251568 5.962e-05 deg M 125.0049369606059 3.4764e-05 deg tp 2458371.826335573451 (2018-Sep-10.32633557) 0.00017208 TDB period 1810.508646269554 4.96 2.5398e-05 6.954e-08 d yr n .1988391498387808 2.7893e-09 deg/d Q 3.314409066464286 3.0996e-08 au   Orbit Determination Parameters    # obs. used (total)      106      data-arc span      9695 days (26.54 yr)      first obs. used      1993-10-11      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .63467      source      ORB      producer      Otto Matic      solution date      2020-May-22 00:27:26   Additional Information  Earth MOID = 1.50922 au   Jupiter MOID = 2.0837 au   T_jup = 3.247  [ 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 16.8   n/a MPO418927   379070 (2008 WS103)          Discovered 2008-Nov-30 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2013-11-20 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-14 08:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin