+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   266121 (2006 SO353) Classification: Main-belt Asteroid          SPK-ID: 2266121 [ 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 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1333370444542574 9.6154e-08   a 2.247317420511376 1.5479e-08 au q 1.947666757709823 2.2032e-07 au i 4.53975112402593 9.316e-06 deg node 157.7998871907536 7.9291e-05 deg peri 219.6893441591269 8.2206e-05 deg M 20.45997187222368 2.4149e-05 deg tp 2458930.564515827503 (2020-Mar-22.06451583) 8.2137e-05 TDB period 1230.538070107462 3.37 1.2714e-05 3.481e-08 d yr n .2925549470960792 3.0227e-09 deg/d Q 2.546968083312928 1.7543e-08 au   Orbit Determination Parameters    # obs. used (total)      179      data-arc span      4187 days (11.46 yr)      first obs. used      2006-09-30      last obs. used      2018-03-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6501      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 08:11:22   Additional Information  Earth MOID = .951301 au   Jupiter MOID = 2.91593 au   T_jup = 3.614  [ 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 17.6   n/a MPO437226   266121 (2006 SO353)          Discovered 2006-Sep-30 by CSS at Catalina Reference: 20110218/Numbers.arc Last Updated: 2011-02-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-04 18:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin