+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   6328 (1991 NL1) Classification: Main-belt Asteroid          SPK-ID: 2006328 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO233552 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0955956 n/a   a 3.1679002 n/a AU q 2.8650629 n/a AU i 2.16034 n/a deg node 72.84535 n/a deg peri 183.30902 n/a deg M 1.24241 n/a deg tp 2456393.3924799 (2013-Apr-10.89247990) n/a JED period 2059.4708830 5.64 n/a n/a d yr n 0.17480218 n/a deg/d Q 3.4707375 n/a AU   Orbit Determination Parameters    # obs. used (total)      1142      first obs. used      1975-??-??      last obs. used      2012-06-23      # oppositions      19      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.195  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.9 mag n/a PDS3 (MPC 28115)   6328 (1991 NL1)          Discovered 1991-Jul-12 by Holt, H. E. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1991 NL1 = 1975 VG3 = 1986 SQ  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 06:12 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin