+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   69377 (1994 WJ3) Classification: Main-belt Asteroid          SPK-ID: 2069377 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .203895780678108 1.1602e-07   a 2.730540705288719 2.7651e-08 AU q 2.173794976510524 3.2116e-07 AU i 14.49468815078009 1.1602e-05 deg node 82.7813455107906 3.42e-05 deg peri 336.0097340822877 4.0415e-05 deg M 29.21608373973384 2.0195e-05 deg tp 2456266.750887341696 (2012-Dec-05.25088734) 9.1661e-05 JED period 1648.053893393858 4.51 2.5034e-05 6.854e-08 d yr n .2184394584685866 3.3181e-09 deg/d Q 3.287286434066915 3.3289e-08 AU   Orbit Determination Parameters    # obs. used (total)      542      data-arc span      6702 days (18.35 yr)      first obs. used      1994-11-27      last obs. used      2013-04-03      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .54289      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 17:09:02   Additional Information  Earth MOID = 1.19395 AU   T_jup = 3.279  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.88 mag .42218 1 autocmod 2.5c 69377 (1994 WJ3)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1994 WJ3 = 1999 XT180  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 16:31 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin