+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   266224 (2006 WS202) Classification: Main-belt Asteroid          SPK-ID: 2266224 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02847514294371459 4.8785e-08   a 2.629206228575753 2.2599e-08 au q 2.554339205388554 1.2771e-07 au i 12.63183157719171 4.7544e-06 deg node 128.0774207148017 2.4725e-05 deg peri 296.2425071124583 9.3007e-05 deg M 118.3050430602754 8.8278e-05 deg tp 2458488.775556079520 (2019-Jan-05.27555608) 0.00038317 TDB period 1557.167767713114 4.26 2.0077e-05 5.497e-08 d yr n .2311889620786994 2.9807e-09 deg/d Q 2.704073251762952 2.3243e-08 au   Orbit Determination Parameters    # obs. used (total)      303      data-arc span      7257 days (19.87 yr)      first obs. used      2000-07-06      last obs. used      2020-05-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53079      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 22:27:01   Additional Information  Earth MOID = 1.59237 au   Jupiter MOID = 2.39431 au   T_jup = 3.366  [ 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 16.64   n/a E2021B55   266224 (2006 WS202)          Discovered 2006-Nov-21 by Mt. Lemmon Survey at Mount Lemmon Reference: 20110218/Numbers.arc Last Updated: 2011-02-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Feb-27 05:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin