+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   14414 (1991 RF6) Classification: Main-belt Asteroid          SPK-ID: 2014414 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256970 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2096215 n/a   a 2.2418054 n/a AU q 1.7718748 n/a AU i 2.95738 n/a deg node 112.35894 n/a deg peri 250.62023 n/a deg M 152.61341 n/a deg tp 2455880.7607717 (2011-Nov-15.26077170) n/a JED period 1226.0136391 3.36 n/a n/a d yr n 0.29363458 n/a deg/d Q 2.7117360 n/a AU   Orbit Determination Parameters    # obs. used (total)      814      first obs. used      1981-??-??      last obs. used      2013-03-12      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.603  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.6 mag n/a PDS3 (MPC 39823)   14414 (1991 RF6)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675) Reference: 20000418/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 RF6 = 1981 UK16 = 1997 JT18  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 17:27 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin