+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   9209 (1994 UK1) Classification: Main-belt Asteroid          SPK-ID: 2009209 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO253428 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2861878 n/a   a 2.7508654 n/a AU q 1.9636013 n/a AU i 5.48464 n/a deg node 9.17703 n/a deg peri 294.04116 n/a deg M 82.41999 n/a deg tp 2456018.9666514 (2012-Apr-01.46665140) n/a JED period 1666.4889850 4.56 n/a n/a d yr n 0.21602303 n/a deg/d Q 3.5381295 n/a AU   Orbit Determination Parameters    # obs. used (total)      977      first obs. used      1985-??-??      last obs. used      2013-02-06      # oppositions      16      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.279  [ 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 32426)   9209 (1994 UK1)          Discovered 1994-Oct-25 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 19980910/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1994 UK1 = 1985 UE1 = 1997 EY17  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 07:48 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin