+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   3280 Gretry (1933 SJ) Classification: Main-belt Asteroid          SPK-ID: 2003280 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256887 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1760017 n/a   a 2.5833478 n/a AU q 2.1286742 n/a AU i 2.22471 n/a deg node 317.24663 n/a deg peri 0.17790 n/a deg M 96.24609 n/a deg tp 2455995.0350200 (2012-Mar-08.53502000) n/a JED period 1516.6059505 4.15 n/a n/a d yr n 0.23737214 n/a deg/d Q 3.0380214 n/a AU   Orbit Determination Parameters    # obs. used (total)      1271      first obs. used      1933-??-??      last obs. used      2013-03-09      # oppositions      25      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.400  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.5 mag n/a PDS3 (MPC 28109)   rotation period rot_per 10.56 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Galad, A.; Kornos, L.; Vilagi, J. (2010) Minor Planet Bul. 37, 9-15.] 3280 Gretry (1933 SJ)          Discovered 1933-Sep-17 by Rigaux, F. at Uccle (012) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1933 SJ = 1954 UL2 = 1954 WB = 1958 TN1 = 1975 XF3  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 08:39 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin