+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5974 (1991 UZ2) Classification: Main-belt Asteroid          SPK-ID: 2005974 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO247421 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1550984 n/a   a 3.1236563 n/a AU q 2.6391822 n/a AU i 1.85591 n/a deg node 158.26549 n/a deg peri 46.27095 n/a deg M 159.19368 n/a deg tp 2455508.8044240 (2010-Nov-08.30442400) n/a JED period 2016.4770823 5.52 n/a n/a d yr n 0.17852918 n/a deg/d Q 3.6081304 n/a AU   Orbit Determination Parameters    # obs. used (total)      1090      first obs. used      1955-??-??      last obs. used      2012-12-08      # oppositions      21      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.196  [ 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 28114)   5974 (1991 UZ2)          Discovered 1991-Oct-31 by Ueda and Kaneda at Kushiro (399) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1991 UZ2 = 1982 BJ9 = 1986 WZ1 = 1988 CO3 = 1990 RT6  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 11:14 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin