+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   29165 (1989 UK1) Classification: Main-belt Asteroid          SPK-ID: 2029165 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO234981 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2720538 n/a   a 2.5595224 n/a AU q 1.8631946 n/a AU i 11.59209 n/a deg node 217.38954 n/a deg peri 225.79654 n/a deg M 240.36096 n/a deg tp 2456897.5582177 (2014-Aug-28.05821770) n/a JED period 1495.6736394 4.09 n/a n/a d yr n 0.24069422 n/a deg/d Q 3.2558502 n/a AU   Orbit Determination Parameters    # obs. used (total)      483      first obs. used      1989-??-??      last obs. used      2012-06-23      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.62      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.355  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.1 mag n/a PDS3 (MPO 16200)   29165 (1989 UK1)          Discovered 1989-Oct-26 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 20011002/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1989 UK1 = 1993 UO  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 20:52 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin