+ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1926645554439517 6.7326e-08   a 2.642736301261422 2.4217e-08 au q 2.133574686623297 1.8632e-07 au i 6.457751686460546 1.1558e-05 deg node 10.61193070052636 4.7468e-05 deg peri 54.45720134282814 5.9048e-05 deg M 170.7245797260619 3.403e-05 deg tp 2458256.329030656612 (2018-May-17.82903066) 0.00014211 TDB period 1569.203153954072 4.30 2.1569e-05 5.905e-08 d yr n .2294158019583846 3.1534e-09 deg/d Q 3.151897915899547 2.8883e-08 au   Orbit Determination Parameters    # obs. used (total)      219      data-arc span      6741 days (18.46 yr)      first obs. used      2000-09-21      last obs. used      2019-03-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64006      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 11:01:37   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 ] 2020-Sep-25 21:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin