+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   (2005 TN74) Classification: TransNeptunian Object          SPK-ID: 3301617 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO186982 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2474386 n/a   a 42.6738641 n/a AU q 32.1147029 n/a AU i 2.16781 n/a deg node 179.17949 n/a deg peri 224.58832 n/a deg M 347.81293 n/a deg tp 2459847.4789964 (2022-Sep-24.97899640) n/a JED period 101822.0489990 278.77 n/a n/a d yr n 0.00353558 n/a deg/d Q 53.2330253 n/a AU   Orbit Determination Parameters    # obs. used (total)      19      first obs. used      2005-??-??      last obs. used      2010-09-17      # oppositions      4      planetary ephem.      DE403      condition code      4      fit RMS      0.35      data source      MPC:mpu      producer      MPCM   Additional Information  T_jup = 5.667   MPC Cubewano  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 7.3 mag n/a MPO186982   [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2013-May-25 10:10 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin