+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11658 (1997 EQ17) Classification: Main-belt Asteroid          SPK-ID: 2011658 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256951 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1316812 n/a   a 3.1833070 n/a AU q 2.7641253 n/a AU i 24.14331 n/a deg node 164.68607 n/a deg peri 25.91961 n/a deg M 288.20303 n/a deg tp 2456814.2326902 (2014-Jun-05.73269020) n/a JED period 2074.5132904 5.68 n/a n/a d yr n 0.17353468 n/a deg/d Q 3.6024887 n/a AU   Orbit Determination Parameters    # obs. used (total)      804      first obs. used      1992-??-??      last obs. used      2013-03-13      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.050  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.7 mag n/a PDS3 (MPC 35873)   11658 (1997 EQ17)          Discovered 1997-Mar-01 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 19990928/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1997 EQ17 = 1980 FP9 = 1992 LB  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-26 00:50 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin