+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   23637 (1997 AM6) Classification: Main-belt Asteroid          SPK-ID: 2023637 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO233653 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0828194 n/a   a 2.3057416 n/a AU q 2.1147815 n/a AU i 7.85221 n/a deg node 101.39802 n/a deg peri 314.85509 n/a deg M 274.74949 n/a deg tp 2456703.3369525 (2014-Feb-14.83695250) n/a JED period 1278.8346122 3.50 n/a n/a d yr n 0.28150630 n/a deg/d Q 2.4967017 n/a AU   Orbit Determination Parameters    # obs. used (total)      421      first obs. used      1997-??-??      last obs. used      2012-06-17      # oppositions      12      planetary ephem.      DE403      condition code      0      fit RMS      0.59      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.571  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.6 mag n/a PDS3 (MPO 11149)   23637 (1997 AM6)          Discovered 1997-Jan-04 by Beijing Schmidt CCD Asteroid Program at Xinglong (327) Reference: 20010408/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1997 AM6 = 1998 MS4 = 1999 TY96  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 03:27 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin