+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   487218 (2014 ON386) Classification: Main-belt Asteroid          SPK-ID: 2487218 [ 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 .1464257954052656 6.4814e-08   a 3.122564947963669 1.1288e-07 au q 2.665340891753486 2.1683e-07 au i 14.69970029523563 1.3492e-05 deg node 299.2466668187596 2.4214e-05 deg peri 73.77742654593256 5.8043e-05 deg M 332.8850644382122 5.3655e-05 deg tp 2459152.299983093305 (2020-Oct-29.79998309) 0.00030429 TDB period 2015.420386637523 5.52 0.00010928 2.992e-07 d yr n .1786227838057226 9.6857e-09 deg/d Q 3.579789004173851 1.2941e-07 au   Orbit Determination Parameters    # obs. used (total)      79      data-arc span      2739 days (7.50 yr)      first obs. used      2009-08-29      last obs. used      2017-02-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45339      source      ORB      producer      Otto Matic      solution date      2017-Apr-09 00:19:41   Additional Information  Earth MOID = 1.70986 au   Jupiter MOID = 2.04579 au   T_jup = 3.149  [ 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 16.3   n/a MPO398977   487218 (2014 ON386)          Discovered 2009-Aug-29 by OAM at La Sagra Reference: Last Updated: 2017-03-14 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-11 07:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin