+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1814458540706973 3.1886e-07   a 2.480199918030204 6.0128e-08 au q 2.03017792563714 7.4586e-07 au i .09098253482374373 2.2485e-05 deg node 140.6789690491571 0.0028738 deg peri 137.979335482855 0.0028768 deg M 202.2532164197606 0.00013259 deg tp 2459625.653219574234 (2022-Feb-15.15321957) 0.00054666 TDB period 1426.686198848852 3.91 5.1881e-05 1.42e-07 d yr n .2523329939621429 9.176e-09 deg/d Q 2.930221910423268 7.1037e-08 au   Orbit Determination Parameters    # obs. used (total)      98      data-arc span      7393 days (20.24 yr)      first obs. used      1998-06-19      last obs. used      2018-09-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54793      source      ORB      producer      Otto Matic      solution date      2018-Oct-03 13:23:56   Additional Information  Earth MOID = 1.01373 au   Jupiter MOID = 2.19979 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 17.6   n/a MPO456349   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 ] 2020-Aug-15 05:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin