+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   48479 (1991 XF) Classification: Main-belt Asteroid          SPK-ID: 2048479 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO231722 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2231521 n/a   a 2.4028212 n/a AU q 1.8666266 n/a AU i 6.38993 n/a deg node 68.28174 n/a deg peri 19.36764 n/a deg M 254.28605 n/a deg tp 2456799.9941341 (2014-May-22.49413410) n/a JED period 1360.4438040 3.72 n/a n/a d yr n 0.26461953 n/a deg/d Q 2.9390158 n/a AU   Orbit Determination Parameters    # obs. used (total)      498      first obs. used      1991-??-??      last obs. used      2012-05-12      # oppositions      10      planetary ephem.      DE403      condition code      0      fit RMS      0.58      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.482  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.8 mag n/a MPO231722   48479 (1991 XF)          Discovered 1991-Dec-04 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 XF = 2000 EQ96  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 11:09 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin