+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   174567 (2003 MW12) Classification: TransNeptunian Object          SPK-ID: 2174567 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO186748 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1432678 n/a   a 45.5827293 n/a AU q 39.0521920 n/a AU i 21.51535 n/a deg node 184.12048 n/a deg peri 184.61214 n/a deg M 262.18543 n/a deg tp 2486942.6421903 (2096-Nov-30.14219030) n/a JED period 112408.3169665 307.76 n/a n/a d yr n 0.00320261 n/a deg/d Q 52.1132666 n/a AU   Orbit Determination Parameters    # obs. used (total)      68      first obs. used      1980-??-??      last obs. used      2010-06-16      # oppositions      14      planetary ephem.      DE403      condition code      2      fit RMS      0.37      data source      MPC:mpu      producer      MPCMEL   Additional Information  T_jup = 5.564   MPC Cubewano  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 3.4 mag n/a MPO186748   rotation period rot_per 5.90 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.] 174567 (2003 MW12)          Discovered 2003-Jun-21 by Larsen, J. A. at Kitt Peak (691) Reference: 20080122/Numbers.arc Last Updated: 2008-01-28 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 15:25 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin