+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   4457 van Gogh (1989 RU) Classification: Main-belt Asteroid          SPK-ID: 2004457 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256896 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1263696 n/a   a 2.6626815 n/a AU q 2.3261995 n/a AU i 13.81755 n/a deg node 187.17530 n/a deg peri 340.23278 n/a deg M 342.01224 n/a deg tp 2456479.7961015 (2013-Jul-06.29610150) n/a JED period 1587.0011906 4.34 n/a n/a d yr n 0.22684293 n/a deg/d Q 2.9991635 n/a AU   Orbit Determination Parameters    # obs. used (total)      924      first obs. used      1954-??-??      last obs. used      2013-02-28      # oppositions      19      planetary ephem.      DE403      condition code      0      fit RMS      0.50      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.332  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.2 mag n/a PDS3 (MPC 17272)   rotation period rot_per 7.6056 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: [Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] 4457 van Gogh (1989 RU)          Discovered 1989-Sep-03 by Elst, E. W. at Haute Provence Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1989 RU = 1970 EQ1 = 1970 GL1 = 1976 SJ8 = 1981 UO15 = 1985 SA5 = 1985 VV  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 13:29 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin