+ View the NASA Portal + Near-Earth Object (NEO) Project Search JPL JPL Small-Body Database Browser Search: [ help ]   215518 (2002 UY76) Classification: Main-belt Asteroid          SPK-ID: 2215518 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB Reference: MPO157683 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0487186 n/a   a 2.7162106 n/a AU q 2.5838806 n/a AU i 3.97719 n/a deg node 146.35989 n/a deg peri 334.54770 n/a deg M 149.36307 n/a deg tp 2454522.1023735 (2008-Feb-25.60237350) n/a JED period 1635.0972535 4.48 n/a n/a d yr n 0.22017039 n/a deg/d Q 2.8485406 n/a AU   Orbit Determination Parameters    # obs. used (total)      51      first obs. used      2002-??-??      last obs. used      2009-05-16      # oppositions      5      planetary ephem.      DE403      quality code      0      fit RMS      0.39      data source      MPC:mpu      producer      MPC   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 16.5 mag n/a MPO157683   215518 (2002 UY76)           Discovered 2002-Oct-31 by NEAT at Palomar (644) Reference: 20090607/Numbers.arc Last Updated: 2009-06-08 Alternate Designations  2002 UY76 = 2007 YS31  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2010-Feb-10 05:54 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin