+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   6486 (1991 FO) Classification: Main-belt Asteroid          SPK-ID: 2006486 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO233554 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0794059 n/a   a 2.3198224 n/a AU q 2.1356148 n/a AU i 6.28925 n/a deg node 187.20085 n/a deg peri 16.44159 n/a deg M 81.25662 n/a deg tp 2456109.2024758 (2012-Jun-30.70247580) n/a JED period 1290.5669557 3.53 n/a n/a d yr n 0.27894717 n/a deg/d Q 2.5040300 n/a AU   Orbit Determination Parameters    # obs. used (total)      897      first obs. used      1991-??-??      last obs. used      2012-06-11      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.566  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.4 mag n/a PDS3 (MPC 28115)   6486 (1991 FO)          Discovered 1991-Mar-17 by Helin, E. F. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1991 FO = 1992 SX14  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 21:51 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin