+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312801 (2010 WO66) Classification: Jupiter Trojan          SPK-ID: 2312801 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07790474666856408 7.3118e-08   a 5.178651074932469 2.9862e-07 au q 4.775209574854967 4.7598e-07 au i 4.22758148468079 6.9189e-06 deg node 79.64305450165023 0.00013328 deg peri 42.17782147752284 0.00016385 deg M 248.1921150124715 0.00010712 deg tp 2460337.382793703795 (2024-Jan-27.88279370) 0.0013785 TDB period 4304.506840345383 11.79 0.00037233 1.019e-06 d yr n .08363327399686846 7.234e-09 deg/d Q 5.58209257500997 3.2189e-07 au   Orbit Determination Parameters    # obs. used (total)      134      data-arc span      7589 days (20.78 yr)      first obs. used      1998-12-15      last obs. used      2019-09-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57296      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 08:12:47   Additional Information  Earth MOID = 3.79259 au   Jupiter MOID = .0348911 au   T_jup = 2.989  [ 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 13.8   n/a MPO338975   312801 (2010 WO66)          Discovered 2008-Sep-24 by Mt. Lemmon Survey at Mount Lemmon Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-10 00:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin