+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   46635 (1994 WK2) Classification: Main-belt Asteroid          SPK-ID: 2046635 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO257184 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2228149 n/a   a 2.7355138 n/a AU q 2.1260006 n/a AU i 9.78896 n/a deg node 104.54367 n/a deg peri 37.64709 n/a deg M 331.57949 n/a deg tp 2456530.9626406 (2013-Aug-26.46264060) n/a JED period 1652.5583324 4.52 n/a n/a d yr n 0.21784405 n/a deg/d Q 3.3450270 n/a AU   Orbit Determination Parameters    # obs. used (total)      655      first obs. used      1994-??-??      last obs. used      2013-03-15      # oppositions      12      planetary ephem.      DE403      condition code      0      fit RMS      0.51      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.295  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.5 mag n/a MPO257184   46635 (1994 WK2)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 20020921/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1994 WK2 = 1982 DY = 1999 XP136  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 01:40 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin