+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   53314 (1999 JT2) Classification: Main-belt Asteroid          SPK-ID: 2053314 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO233791 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1637175 n/a   a 2.7251052 n/a AU q 2.2789578 n/a AU i 13.79249 n/a deg node 121.21826 n/a deg peri 122.65148 n/a deg M 23.46634 n/a deg tp 2456293.3934076 (2012-Dec-31.89340760) n/a JED period 1643.1353707 4.50 n/a n/a d yr n 0.21909333 n/a deg/d Q 3.1712526 n/a AU   Orbit Determination Parameters    # obs. used (total)      481      first obs. used      1999-??-??      last obs. used      2012-06-18      # oppositions      11      planetary ephem.      DE403      condition code      0      fit RMS      0.58      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.296  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.3 mag n/a MPO233791   53314 (1999 JT2)          Discovered 1999-May-07 by BAO Schmidt CCD Asteroid Program at Xinglong (327) Reference: 20030216/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 23:04 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin