+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   6016 (1991 PA11) Classification: Main-belt Asteroid          SPK-ID: 2006016 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO240247 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2135921 n/a   a 2.3327236 n/a AU q 1.8344723 n/a AU i 5.89635 n/a deg node 189.41583 n/a deg peri 163.90823 n/a deg M 21.53202 n/a deg tp 2456322.6648758 (2013-Jan-30.16487580) n/a JED period 1301.3477010 3.56 n/a n/a d yr n 0.27663629 n/a deg/d Q 2.8309749 n/a AU   Orbit Determination Parameters    # obs. used (total)      1054      first obs. used      1959-??-??      last obs. used      2012-09-28      # oppositions      18      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.532  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.3 mag n/a PDS3 (MPC 28114)   6016 (1991 PA11)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1991 PA11 = 1927 UJ = 1959 TO = 1987 LF  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 08:36 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin