+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   15777 (1993 LF) Classification: Main-belt Asteroid          SPK-ID: 2015777 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1092037318942493 7.0576e-08   a 2.55347221074799 2.4182e-08 AU q 2.274623516046051 1.8368e-07 AU i 15.56984896451841 7.9387e-06 deg node 119.3951802809987 2.4876e-05 deg peri 183.2599373276883 4.581e-05 deg M 284.7266695424036 4.4821e-05 deg tp 2456712.126054847286 (2014-Feb-23.62605485) 0.00018767 JED period 1490.373536856061 4.08 2.1171e-05 5.796e-08 d yr n .2415501826202706 3.4313e-09 deg/d Q 2.83232090544993 2.6823e-08 AU   Orbit Determination Parameters    # obs. used (total)      971      data-arc span      22721 days (62.21 yr)      first obs. used      1951-02-04      last obs. used      2013-04-20      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .50001      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 14:00:42   Additional Information  Earth MOID = 1.25925 AU   T_jup = 3.379  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.6 mag n/a PDS3 (MPO 1699)   15777 (1993 LF)          Discovered 1993-Jun-14 by Holt, H. E. at Palomar (675) Reference: 20000726/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1993 LF = 1980 FN11 = 1999 XE34  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-18 23:05 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin