+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   (2005 TN53) Classification: TransNeptunian Object          SPK-ID: 3301506 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO138067 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0689495 n/a   a 30.2328685 n/a AU q 28.1483273 n/a AU i 24.99246 n/a deg node 9.28994 n/a deg peri 85.61006 n/a deg M 297.09978 n/a deg tp 2467009.3192881 (2042-May-04.81928810) n/a JED period 60717.9902345 166.24 n/a n/a d yr n 0.00592905 n/a deg/d Q 32.3174097 n/a AU   Orbit Determination Parameters    # obs. used (total)      23      first obs. used      2005-??-??      last obs. used      2007-09-18      # oppositions      3      planetary ephem.      DE403      condition code      3      fit RMS      0.22      data source      MPC:mpu      producer      MPCS   Additional Information  T_jup = 4.531  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 9.1 mag n/a MPO138067   [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2013-May-22 20:15 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin