+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78365 (2002 PT115) Classification: Main-belt Asteroid          SPK-ID: 2078365 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1269946691977057 4.9969e-08   a 2.716376111518803 1.4558e-08 au q 2.371410825819922 1.4077e-07 au i 12.02373362227762 4.9474e-06 deg node 223.3071355177048 1.9653e-05 deg peri 170.4147193971883 2.5512e-05 deg M 310.9180227610706 1.5587e-05 deg tp 2459223.447614372952 (2021-Jan-08.94761437) 7.0939e-05 TDB period 1635.246697246002 4.48 1.3146e-05 3.599e-08 d yr n .2201502688287299 1.7698e-09 deg/d Q 3.061341397217684 1.6407e-08 au   Orbit Determination Parameters    # obs. used (total)      806      data-arc span      8063 days (22.08 yr)      first obs. used      1998-10-20      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51097      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:06:28   Additional Information  Earth MOID = 1.37918 au   Jupiter MOID = 2.36063 au   T_jup = 3.317  [ 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 15.0   n/a MPO432334   78365 (2002 PT115)          Discovered 2002-Aug-13 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-28 13:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin