+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   14641 (1998 WC6) Classification: Main-belt Asteroid          SPK-ID: 2014641 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256971 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1896271 n/a   a 2.2191701 n/a AU q 1.7983553 n/a AU i 4.34224 n/a deg node 96.43912 n/a deg peri 225.65982 n/a deg M 198.26291 n/a deg tp 2456942.9896369 (2014-Oct-12.48963690) n/a JED period 1207.4921669 3.31 n/a n/a d yr n 0.29813858 n/a deg/d Q 2.6399849 n/a AU   Orbit Determination Parameters    # obs. used (total)      785      first obs. used      1988-??-??      last obs. used      2013-03-01      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.623  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.4 mag n/a PDS3 (MPC 39888)   14641 (1998 WC6)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 20000418/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1998 WC6 = 1988 VZ11 = 1991 PE14  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 04:02 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin