+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   (2007 WD5) Classification: Apollo [NEO]          SPK-ID: 3395991 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5977954638256728 0.0011813   a 2.461379657147285 0.017349 AU q .9899780633518481 0.00407 AU i 2.425924806849802 0.015389 deg node 68.42559770382252 0.31847 deg peri 309.7804807418574 0.79551 deg M 152.7492882800397 5.5571 deg tp 2455802.029108707068 (2011-Aug-28.52910871) 15.445 JED period 1410.478066977738 3.86 14.912 0.04083 d yr n .2552326111467865 0.0026984 deg/d Q 3.932781250942722 0.02772 AU   Orbit Determination Parameters    # obs. used (total)      44      data-arc span      62 days      first obs. used      2007-11-08      last obs. used      2008-01-09      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      5      fit RMS      .38643      data source      ORB      producer      Otto Matic      solution date      2011-Sep-14 20:22:53   Additional Information  Earth MOID = .0258169 AU   T_jup = 3.216  [ 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 24.308 mag .30097 15 autocmod 2.5a [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] 2013-May-20 16:33 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin