+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2016 YH) Classification: Aten [NEO]          SPK-ID: 3766054 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4738160022297609 0.00039635   a .6815300955734863 0.00017258 au q .3586102302895902 0.00036093 au i 2.217354891034407 0.0029936 deg node 266.1237310664834 0.00060333 deg peri .3009729825172927 0.00043981 deg M 215.5663985901644 0.96375 deg tp 2459282.950202057265 (2021-Mar-09.45020206) 0.58148 TDB period 205.5066996244974 0.56 0.078057 0.0002137 d yr n 1.751767707124845 0.00066537 deg/d Q 1.004449960857382 0.00025434 au   Orbit Determination Parameters    # obs. used (total)      74      data-arc span      6 days      first obs. used      2016-12-18      last obs. used      2016-12-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .49373      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:21:27   Additional Information  Earth MOID = .00757923 au   Jupiter MOID = 4.07618 au   T_jup = 8.272  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 25.5   n/a MPO394957   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-04 19:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin