+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118824 (2000 SY142) Classification: Main-belt Asteroid          SPK-ID: 2118824 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1079871987401307 7.2089e-08   a 2.812253359108906 1.8754e-08 au q 2.508565996711213 1.9854e-07 au i 5.383732896625058 5.9349e-06 deg node 350.0040022693788 4.5497e-05 deg peri 17.81477702696624 5.088e-05 deg M 71.04995127388069 1.9499e-05 deg tp 2458660.529388179597 (2019-Jun-26.02938818) 9.3755e-05 TDB period 1722.58274722192 4.72 1.7231e-05 4.718e-08 d yr n .208988509016816 2.0905e-09 deg/d Q 3.1159407215066 2.0779e-08 au   Orbit Determination Parameters    # obs. used (total)      662      data-arc span      8924 days (24.43 yr)      first obs. used      1995-08-22      last obs. used      2020-01-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54353      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 06:02:44   Additional Information  Earth MOID = 1.50773 au   Jupiter MOID = 2.34357 au   T_jup = 3.306  [ 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 15.4   n/a MPO502796   118824 (2000 SY142)          Discovered 2000-Sep-23 by LINEAR at Socorro Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-29 23:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin