+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437223 (2012 WO35) Classification: Main-belt Asteroid          SPK-ID: 2437223 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1698643081355967 1.1836e-07   a 3.09800929461289 6.7753e-08 au q 2.571768089185824 3.7267e-07 au i 16.90317497487975 7.4698e-06 deg node 96.61456028510237 3.1002e-05 deg peri 269.7117255353448 3.7368e-05 deg M 188.4731268957364 2.2819e-05 deg tp 2459949.469318451725 (2023-Jan-04.96931845) 0.00014156 TDB period 1991.693479044299 5.45 6.5337e-05 1.789e-07 d yr n .1807507047584167 5.9295e-09 deg/d Q 3.624250500039957 7.9262e-08 au   Orbit Determination Parameters    # obs. used (total)      135      data-arc span      4965 days (13.59 yr)      first obs. used      2006-09-24      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55561      source      ORB      producer      Otto Matic      solution date      2020-May-22 03:40:20   Additional Information  Earth MOID = 1.63939 au   Jupiter MOID = 2.08201 au   T_jup = 3.135  [ 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 16.0   n/a MPO437695   437223 (2012 WO35)          Discovered 2007-Nov-13 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2015-06-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-07 02:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin