+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   9068 (1993 OD) Classification: Mars-crossing Asteroid          SPK-ID: 2009068 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO236445 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1498428 n/a   a 1.8203970 n/a AU q 1.5476236 n/a AU i 20.29602 n/a deg node 302.01875 n/a deg peri 104.82873 n/a deg M 288.30337 n/a deg tp 2456579.1667816 (2013-Oct-13.66678160) n/a JED period 897.1138725 2.46 n/a n/a d yr n 0.40128685 n/a deg/d Q 2.0931704 n/a AU   Orbit Determination Parameters    # obs. used (total)      482      first obs. used      1980-??-??      last obs. used      2012-08-12      # oppositions      12      planetary ephem.      DE403      condition code      1      fit RMS      0.47      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.955  [ 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 PDS3 (MPC 32189)   rotation period rot_per 3.405 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Warner, B.D. (2009) Minor Planet Bul. 36, 7-13.] [Galad, A.; Kornos, L.; Vilagi, J. (2010) Minor Planet Bul. 37, 9-15.] 9068 (1993 OD)          Discovered 1993-Jul-16 by Helin, E. F. at Palomar (675) Reference: 19980808/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1993 OD = 1992 AY2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-26 02:56 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin