+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   13946 (1990 OK3) Classification: Main-belt Asteroid          SPK-ID: 2013946 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO234916 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2140936 n/a   a 2.4081689 n/a AU q 1.8925954 n/a AU i 3.08674 n/a deg node 127.79129 n/a deg peri 204.84404 n/a deg M 16.49896 n/a deg tp 2456337.9419927 (2013-Feb-14.44199270) n/a JED period 1364.9880120 3.74 n/a n/a d yr n 0.26373858 n/a deg/d Q 2.9237424 n/a AU   Orbit Determination Parameters    # obs. used (total)      830      first obs. used      1990-??-??      last obs. used      2012-07-21      # oppositions      16      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.488  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.4 mag n/a PDS3 (MPC 39036)   13946 (1990 OK3)          Discovered 1990-Jul-27 by Holt, H. E. at Palomar (675) Reference: 20000320/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1990 OK3 = 1994 TM1 = 2000 CR34  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 04:01 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin