+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   59238 (1999 CN2) Classification: Main-belt Asteroid          SPK-ID: 2059238 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250748 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1705536 n/a   a 2.3991038 n/a AU q 1.9899280 n/a AU i 1.92581 n/a deg node 141.22894 n/a deg peri 274.67784 n/a deg M 355.43212 n/a deg tp 2456417.7220237 (2013-May-05.22202370) n/a JED period 1357.2879577 3.72 n/a n/a d yr n 0.26523480 n/a deg/d Q 2.8082796 n/a AU   Orbit Determination Parameters    # obs. used (total)      495      first obs. used      1990-??-??      last obs. used      2013-01-18      # oppositions      10      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.506  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.5 mag n/a MPO250748   59238 (1999 CN2)          Discovered 1999-Feb-05 by BAO Schmidt CCD Asteroid Program at Xinglong (327) Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1999 CN2 = 1999 DJ9 = 2001 QQ63  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 07:36 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin