+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   3237 Victorplatt (1984 SA5) Classification: Main-belt Asteroid          SPK-ID: 2003237 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06538386615521517 7.0591e-08   a 3.013174573689434 2.835e-08 AU q 2.816161570661027 2.2043e-07 AU i 9.110541489595045 8.1826e-06 deg node 280.3320305293897 4.736e-05 deg peri 340.5109073119058 8.1417e-05 deg M 283.144842687203 6.9668e-05 deg tp 2456808.354617024674 (2014-May-30.85461702) 0.00037056 JED period 1910.446445790238 5.23 2.6962e-05 7.382e-08 d yr n .1884376297452763 2.6594e-09 deg/d Q 3.210187576717842 3.0203e-08 AU   Orbit Determination Parameters    # obs. used (total)      1074      data-arc span      30735 days (84.15 yr)      first obs. used      1929-02-08      last obs. used      2013-04-03      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .59799      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:56:34   Additional Information  Earth MOID = 1.80242 AU   T_jup = 3.226  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.60 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 8 diameter diameter 25.93 km 1.3 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 8 rotation period rot_per 10.36 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. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.1513   0.016 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 8 3237 Victorplatt (1984 SA5)          Discovered 1984-Sep-25 by Platt, J. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1984 SA5 = 1929 CB1 = 1934 CO = 1935 HF = 1935 JB = 1951 KC = 1951 KL = 1952 QD1 = 1955 BR = 1957 OK = 1957 QQ = 1965 AO1 = 1971 DA1 = 1984 WX4  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-22 22:41 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin