+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   309239 (2007 RW10) Classification: TransNeptunian Object          SPK-ID: 2309239 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO227329 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2991613 n/a   a 30.2863936 n/a AU q 21.2258767 n/a AU i 36.08866 n/a deg node 187.03856 n/a deg peri 96.54976 n/a deg M 60.34017 n/a deg tp 2446196.4241309 (1985-May-10.92413090) n/a JED period 60879.3000233 166.68 n/a n/a d yr n 0.00591334 n/a deg/d Q 39.3469105 n/a AU   Orbit Determination Parameters    # obs. used (total)      46      first obs. used      1988-??-??      last obs. used      2010-10-14      # oppositions      8      planetary ephem.      DE403      condition code      2      fit RMS      0.35      data source      MPC:mpu      producer      MPCLINUX   Additional Information  T_jup = 3.892   MPC Centaur  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 6.6 mag n/a MPO227329   309239 (2007 RW10)          Discovered 2007-Sep-09 by Palomar at Palomar (675) Reference: 20111210/Numbers.arc Last Updated: 2011-12-12 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 23:20 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin