+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243820 (2000 SJ343) Classification: Main-belt Asteroid          SPK-ID: 2243820 [ 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 .1402444259827177 5.788e-08   a 2.373424437956342 1.7751e-08 au q 2.040564890041801 1.3347e-07 au i 5.252779594891081 4.8567e-06 deg node 296.1780047958575 6.4075e-05 deg peri 50.34006109233427 6.694e-05 deg M 135.1169671369173 2.2818e-05 deg tp 2458499.233214002213 (2019-Jan-15.73321400) 8.1596e-05 TDB period 1335.55427407087 3.66 1.4983e-05 4.102e-08 d yr n .2695510073901324 3.024e-09 deg/d Q 2.706283985870884 2.0241e-08 au   Orbit Determination Parameters    # obs. used (total)      315      data-arc span      7066 days (19.35 yr)      first obs. used      2000-08-02      last obs. used      2019-12-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55536      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 16:29:41   Additional Information  Earth MOID = 1.03775 au   Jupiter MOID = 2.68941 au   T_jup = 3.524  [ 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 16.4   n/a MPO258000   243820 (2000 SJ343)          Discovered 2000-Sep-23 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-Aug-10 01:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin