+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1081047173119164 7.1654e-08   a 2.812501635417302 1.7942e-08 au q 2.508456941181212 1.9672e-07 au i 5.384038570056162 5.5488e-06 deg node 349.9983443213414 4.2538e-05 deg peri 17.86640154288935 4.7508e-05 deg M 112.7836215437038 1.8439e-05 deg tp 2458660.764309039142 (2019-Jun-26.26430904) 8.8394e-05 TDB period 1722.810866386443 4.72 1.6486e-05 4.514e-08 d yr n .2089608366326896 1.9996e-09 deg/d Q 3.116546329653392 1.9882e-08 au   Orbit Determination Parameters    # obs. used (total)      688      data-arc span      9281 days (25.41 yr)      first obs. used      1995-08-22      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5401      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 09:20:52   Additional Information  Earth MOID = 1.50608 au   Jupiter MOID = 2.34389 au   T_jup = 3.305  [ 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 ] 2021-Apr-11 04:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin