+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   48639 (1995 TL8) Classification: TransNeptunian Object          SPK-ID: 2048639 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2383159891899277 0.00023516   a 52.75273312456857 0.024388 AU q 40.18091334751475 0.0067406 AU i .2420405736991221 0.00019587 deg node 261.1242943589046 0.063259 deg peri 84.81235385908039 0.081943 deg M 38.78475580323635 0.055397 deg tp 2441323.170167833068 (1972-Jan-06.67016783) 11.331 JED period 139947.7353194312 383.16 97.048 0.2657 d yr n .002572388893455822 1.7839e-06 deg/d Q 65.3245529016224 0.0302 AU   Orbit Determination Parameters    # obs. used (total)      48      data-arc span      4723 days (12.93 yr)      first obs. used      1995-09-24      last obs. used      2008-08-29      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      4      fit RMS      .76331      data source      ORB      producer      Otto Matic      solution date      2011-Sep-14 19:06:50   Additional Information  Earth MOID = 39.1736 AU   T_jup = 6.283  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 5.259 mag .32993 6 autocmod 2.5a 48639 (1995 TL8)          Discovered 1995-Oct-15 by Gleason, A. at Steward (691) Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 20:12 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin