+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118994 (2000 YS28) Classification: Inner Main-belt Asteroid          SPK-ID: 2118994 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07082055164715451 5.0517e-08   a 1.921738222525452 9.6152e-09 au q 1.785639661484777 9.5063e-08 au i 18.97615838259809 6.0032e-06 deg node 243.0004181337711 1.7032e-05 deg peri 264.579176977524 4.7381e-05 deg M 57.6995664593796 4.3409e-05 deg tp 2458844.541223917972 (2019-Dec-27.04122392) 0.00011754 TDB period 973.0603336345036 2.66 7.3029e-06 1.999e-08 d yr n .3699667816643541 2.7766e-09 deg/d Q 2.057836783566127 1.0296e-08 au   Orbit Determination Parameters    # obs. used (total)      314      data-arc span      7624 days (20.87 yr)      first obs. used      1999-06-14      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58382      source      ORB      producer      Otto Matic      solution date      2020-May-20 20:25:13   Additional Information  Earth MOID = .880008 au   Jupiter MOID = 3.05347 au   T_jup = 3.854  [ 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 16.8   n/a MPO345074   118994 (2000 YS28)          Discovered 2000-Dec-28 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-27 07:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin