+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100396 (1995 YH5) Classification: Main-belt Asteroid          SPK-ID: 2100396 [ 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 .04837917301076428 4.828e-08   a 2.469452748478373 1.4682e-08 au q 2.349982666717831 1.2463e-07 au i 6.187778929186097 4.6943e-06 deg node 77.9871242422858 4.5795e-05 deg peri 128.8182664421828 7.222e-05 deg M 327.7297259827972 5.6033e-05 deg tp 2459127.557311099427 (2020-Oct-05.05731110) 0.00022087 TDB period 1417.423104973016 3.88 1.264e-05 3.461e-08 d yr n .2539820317144142 2.265e-09 deg/d Q 2.588922830238916 1.5392e-08 au   Orbit Determination Parameters    # obs. used (total)      518      data-arc span      8900 days (24.37 yr)      first obs. used      1995-12-16      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59581      source      ORB      producer      Otto Matic      solution date      2020-May-20 17:52:31   Additional Information  Earth MOID = 1.34907 au   Jupiter MOID = 2.38134 au   T_jup = 3.475  [ 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 16.27   n/a E2021B55   100396 (1995 YH5)          Discovered 1995-Dec-16 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-02 09:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin