+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   17648 (1996 UU) Classification: Main-belt Asteroid          SPK-ID: 2017648 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250387 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1528599 n/a   a 2.5582700 n/a AU q 2.1672131 n/a AU i 12.75292 n/a deg node 209.87303 n/a deg peri 200.72124 n/a deg M 359.53706 n/a deg tp 2456402.4219417 (2013-Apr-19.92194170) n/a JED period 1494.5759969 4.09 n/a n/a d yr n 0.24087099 n/a deg/d Q 2.9493269 n/a AU   Orbit Determination Parameters    # obs. used (total)      705      first obs. used      1992-??-??      last obs. used      2013-01-22      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.52      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.386  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.9 mag n/a PDS3 (MPO 4111)   17648 (1996 UU)          Discovered 1996-Oct-16 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905) Reference: 20001013/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-18 07:25 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin