+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   18514 (1996 TE11) Classification: Mars-crossing Asteroid          SPK-ID: 2018514 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO236491 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.4737405 n/a   a 2.5669005 n/a AU q 1.3508558 n/a AU i 24.93363 n/a deg node 175.92390 n/a deg peri 262.61220 n/a deg M 347.22359 n/a deg tp 2456453.8111834 (2013-Jun-10.31118340) n/a JED period 1502.1454392 4.11 n/a n/a d yr n 0.23965722 n/a deg/d Q 3.7829452 n/a AU   Orbit Determination Parameters    # obs. used (total)      209      first obs. used      1989-??-??      last obs. used      2012-08-26      # oppositions      8      planetary ephem.      DE403      condition code      1      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.149  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.8 mag n/a PDS3 (MPO 5214)   SMASSII spectral type spec_B Xc   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 18514 (1996 TE11)          Discovered 1996-Oct-14 by McNaught, R. H. at Siding Spring (413) Reference: 20001111/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 09:35 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin