+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   487273 (2014 PH63) Classification: Main-belt Asteroid          SPK-ID: 2487273 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1814066116852045 1.4438e-07   a 2.479566169548195 3.0595e-08 au q 2.029756472281196 3.4209e-07 au i .0911612006247446 1.6355e-05 deg node 140.7043977428267 0.0028652 deg peri 138.0521798253831 0.0028664 deg M 302.0741049000976 7.886e-05 deg tp 2459625.973337983869 (2022-Feb-15.47333798) 0.00031576 TDB period 1426.139406766493 3.90 2.6395e-05 7.227e-08 d yr n .2524297402427392 4.672e-09 deg/d Q 2.929375866815195 3.6145e-08 au   Orbit Determination Parameters    # obs. used (total)      116      data-arc span      8329 days (22.80 yr)      first obs. used      1998-06-19      last obs. used      2021-04-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55137      source      ORB      producer      Otto Matic      solution date      2021-Jul-09 08:31:44   Additional Information  Earth MOID = 1.0131 au   Jupiter MOID = 2.19898 au   T_jup = 3.456  [ 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 17.79   n/a MPCxxxxx   487273 (2014 PH63)          Discovered 2010-Jun-19 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2017-03-14 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jul-31 10:43 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin