+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243809 (2000 SF223) Classification: Main-belt Asteroid          SPK-ID: 2243809 [ 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 .1926645622188146 6.3243e-08   a 2.642736304508182 2.4121e-08 au q 2.133574671340345 1.7545e-07 au i 6.45775285912998 8.1782e-06 deg node 10.61195412752084 4.36e-05 deg peri 54.45720513628206 4.9296e-05 deg M 170.7245567914512 2.629e-05 deg tp 2458256.329129254844 (2018-May-17.82912925) 0.00010718 TDB period 1569.203156845863 4.30 2.1484e-05 5.882e-08 d yr n .2294158015356079 3.141e-09 deg/d Q 3.151897937676019 2.8769e-08 au   Orbit Determination Parameters    # obs. used (total)      246      data-arc span      7236 days (19.81 yr)      first obs. used      2000-09-21      last obs. used      2020-07-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61047      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 00:54:11   Additional Information  Earth MOID = 1.15428 au   Jupiter MOID = 2.21242 au   T_jup = 3.359  [ 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 16.6   n/a MPO470600   243809 (2000 SF223)          Discovered 2000-Sep-27 by LINEAR at Socorro Reference: 20100726/Numbers.arc Last Updated: 2010-07-28 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-25 15:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin