+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   (2002 JE9) Classification: Apollo [NEO, PHA]          SPK-ID: 3125003 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4167085737341791 2.1574e-07   a 1.067787824594445 8.2568e-09 AU q .6228314831569717 2.3361e-07 AU i 8.830422373181353 1.5107e-05 deg node 200.0945659884025 5.4293e-05 deg peri 255.4001059295646 5.1182e-05 deg M 48.033321335586 5.031e-05 deg tp 2456346.726786535469 (2013-Feb-23.22678654) 5.5778e-05 JED period 403.0193271871284 1.10 4.6746e-06 1.28e-08 d yr n .8932574090493833 1.0361e-08 deg/d Q 1.512744166031917 1.1697e-08 AU   Orbit Determination Parameters    # obs. used (total)      104      data-arc span      4014 days (10.99 yr)      first obs. used      2001-05-30      last obs. used      2012-05-26      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .70914      data source      ORB      producer      Otto Matic      solution date      2012-May-27 00:59:06   Additional Information  Earth MOID = .00532191 AU   T_jup = 5.687  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 21.306 mag .89694 26 autocmod 2.5b [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] 2013-May-20 15:49 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin