+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118868 (2000 ST360) Classification: Main-belt Asteroid          SPK-ID: 2118868 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1273353856438871 6.2367e-08   a 2.76621860049366 1.7492e-08 au q 2.413981088224506 1.6984e-07 au i 13.13812430757731 5.5519e-06 deg node 31.86016872755788 1.9991e-05 deg peri 335.5477743036954 2.687e-05 deg M 129.635324281315 1.8868e-05 deg tp 2458595.369517485706 (2019-Apr-21.86951749) 8.6299e-05 TDB period 1680.459974261394 4.60 1.594e-05 4.364e-08 d yr n .2142270601584721 2.032e-09 deg/d Q 3.118456112762813 1.972e-08 au   Orbit Determination Parameters    # obs. used (total)      586      data-arc span      7440 days (20.37 yr)      first obs. used      2000-08-10      last obs. used      2020-12-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56452      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 09:20:59   Additional Information  Earth MOID = 1.41906 au   Jupiter MOID = 2.35575 au   T_jup = 3.290  [ 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 15.36   n/a E2021B55   118868 (2000 ST360)          Discovered 2000-Sep-21 by LONEOS at Anderson Mesa Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 06:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin