+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   6448 (1991 CW) Classification: Main-belt Asteroid          SPK-ID: 2006448 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO240251 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1603422 n/a   a 2.2623529 n/a AU q 1.8996023 n/a AU i 4.93213 n/a deg node 117.97828 n/a deg peri 308.38637 n/a deg M 249.04560 n/a deg tp 2456783.5725057 (2014-May-06.07250570) n/a JED period 1242.9079156 3.40 n/a n/a d yr n 0.28964334 n/a deg/d Q 2.6251035 n/a AU   Orbit Determination Parameters    # obs. used (total)      861      first obs. used      1986-??-??      last obs. used      2012-09-12      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.597  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.6 mag n/a PDS3 (MPC 28115)   6448 (1991 CW)          Discovered 1991-Feb-08 by Suzuki, K., Urata, T. at Toyota Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1991 CW = 1969 TL3 = 1986 VN9 = 1993 VX4  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-26 08:27 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin