+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11526 (1991 UL3) Classification: Main-belt Asteroid          SPK-ID: 2011526 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256950 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2059796 n/a   a 2.5994227 n/a AU q 2.0639947 n/a AU i 10.94431 n/a deg node 214.32703 n/a deg peri 146.42422 n/a deg M 75.92694 n/a deg tp 2456077.6452486 (2012-May-30.14524860) n/a JED period 1530.7835469 4.19 n/a n/a d yr n 0.23517368 n/a deg/d Q 3.1348507 n/a AU   Orbit Determination Parameters    # obs. used (total)      668      first obs. used      1991-??-??      last obs. used      2013-03-24      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.56      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.360  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.7 mag n/a PDS3 (MPC 35839)   11526 (1991 UL3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 19990928/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 22:53 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin