+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   145451 (2005 RM43) Classification: TransNeptunian Object          SPK-ID: 2145451 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO226879 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.6183899 n/a   a 92.0381357 n/a AU q 35.1226822 n/a AU i 28.71531 n/a deg node 84.67347 n/a deg peri 318.52344 n/a deg M 3.39283 n/a deg tp 2453360.9561784 (2004-Dec-21.45617840) n/a JED period 322514.1771857 883.00 n/a n/a d yr n 0.00111623 n/a deg/d Q 148.9535892 n/a AU   Orbit Determination Parameters    # obs. used (total)      197      first obs. used      1976-??-??      last obs. used      2010-12-26      # oppositions      11      planetary ephem.      DE403      condition code      0      fit RMS      0.20      data source      MPC:mpu      producer      MPCLINUX   Additional Information  T_jup = 5.854   MPC Scattered disk  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 4.4 mag n/a MPO226879   rotation period rot_per 6.71 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.] 145451 (2005 RM43)          Discovered 2005-Sep-09 by Becker, A. C., Puckett, A. W., Kubica, J. at Apache Point (705) Reference: 20061205/Numbers.arc Last Updated: 2006-12-13 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 00:43 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin