+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   7301 (1993 AB) Classification: Main-belt Asteroid          SPK-ID: 2007301 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO244247 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2223463 n/a   a 2.5939508 n/a AU q 2.0171954 n/a AU i 9.24481 n/a deg node 77.97934 n/a deg peri 23.00347 n/a deg M 308.89565 n/a deg tp 2456617.1189291 (2013-Nov-20.61892910) n/a JED period 1525.9525748 4.18 n/a n/a d yr n 0.23591821 n/a deg/d Q 3.1707062 n/a AU   Orbit Determination Parameters    # obs. used (total)      530      first obs. used      1975-??-??      last obs. used      2012-11-24      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.58      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.365  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.5 mag n/a PDS3 (MPC 28289)   7301 (1993 AB)          Discovered 1993-Jan-02 by Natori, A., Urata, T. at Yakiimo Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1993 AB = 1975 XP2 = 1979 UP1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-26 05:53 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin