+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   48494 (1992 WM) Classification: Main-belt Asteroid          SPK-ID: 2048494 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO244584 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0783205 n/a   a 2.2800753 n/a AU q 2.1014987 n/a AU i 7.55082 n/a deg node 50.78952 n/a deg peri 67.09427 n/a deg M 278.36860 n/a deg tp 2456685.6523544 (2014-Jan-28.15235440) n/a JED period 1257.5411863 3.44 n/a n/a d yr n 0.28627293 n/a deg/d Q 2.4586519 n/a AU   Orbit Determination Parameters    # obs. used (total)      705      first obs. used      1992-??-??      last obs. used      2012-11-07      # oppositions      11      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.591  [ 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 MPO244584   48494 (1992 WM)          Discovered 1992-Nov-16 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 09:26 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin