+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   9403 Sanduleak (1994 UJ11) Classification: Main-belt Asteroid          SPK-ID: 2009403 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256934 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0942731 n/a   a 2.6889158 n/a AU q 2.4354234 n/a AU i 4.29151 n/a deg node 78.61704 n/a deg peri 222.42997 n/a deg M 156.19791 n/a deg tp 2455701.7256541 (2011-May-20.22565410) n/a JED period 1610.5129994 4.41 n/a n/a d yr n 0.22353126 n/a deg/d Q 2.9424082 n/a AU   Orbit Determination Parameters    # obs. used (total)      1133      first obs. used      1992-??-??      last obs. used      2013-03-02      # oppositions      16      planetary ephem.      DE403      condition code      0      fit RMS      0.51      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.362  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.3 mag n/a PDS3 (MPC 32630)   9403 Sanduleak           Discovered 1994 Oct. 31 by Spacewatch at Kitt Peak. Nicholas Sanduleak (1933-1990) was a staff scientist at the Warner and Swasey Observatory from 1967 to his death. Renowned as a classifier and cataloguer of stars, he was the co-discoverer of SS 433 (V1343 Aql) and the cataloguer of the precursor object of SN 1987A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20000523/MPCPages.arc Last Updated: 2013-03-29 Alternate Designations  1994 UJ11 = 1997 GS36  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 05:41 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin