+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   52401 (1993 SS15) Classification: Main-belt Asteroid          SPK-ID: 2052401 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250688 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1518190 n/a   a 2.5386765 n/a AU q 2.1532572 n/a AU i 10.88956 n/a deg node 53.27248 n/a deg peri 24.10704 n/a deg M 241.68238 n/a deg tp 2456886.0751086 (2014-Aug-16.57510860) n/a JED period 1477.4387712 4.05 n/a n/a d yr n 0.24366492 n/a deg/d Q 2.9240958 n/a AU   Orbit Determination Parameters    # obs. used (total)      485      first obs. used      1993-??-??      last obs. used      2012-06-24      # oppositions      11      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.406  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.9 mag n/a MPO250688   52401 (1993 SS15)          Discovered 1993-Sep-19 by Holt, H. E. at Palomar (675) Reference: 20030216/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1993 SS15 = 1999 CV55  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 09:25 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin