+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   12315 (1992 FA2) Classification: Main-belt Asteroid          SPK-ID: 2012315 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO253451 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0489422 n/a   a 2.7381783 n/a AU q 2.6041658 n/a AU i 6.32718 n/a deg node 73.96644 n/a deg peri 348.93610 n/a deg M 354.41236 n/a deg tp 2456426.1872093 (2013-May-13.68720930) n/a JED period 1654.9733604 4.53 n/a n/a d yr n 0.21752616 n/a deg/d Q 2.8721908 n/a AU   Orbit Determination Parameters    # obs. used (total)      874      first obs. used      1992-??-??      last obs. used      2013-02-05      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.341  [ 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 36690)   12315 (1992 FA2)          Discovered 1992-Mar-28 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 19991123/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1992 FA2 = 1994 TL1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 07:44 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin