+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11449 Stephwerner (1979 QP) Classification: Main-belt Asteroid          SPK-ID: 2011449 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO233584 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0350093 n/a   a 2.9100194 n/a AU q 2.8081417 n/a AU i 1.12651 n/a deg node 303.27418 n/a deg peri 307.78743 n/a deg M 352.49975 n/a deg tp 2456438.2759568 (2013-May-25.77595680) n/a JED period 1813.1854848 4.96 n/a n/a d yr n 0.19854560 n/a deg/d Q 3.0118971 n/a AU   Orbit Determination Parameters    # obs. used (total)      1104      first obs. used      1954-??-??      last obs. used      2012-06-11      # oppositions      18      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.283  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.2 mag n/a PDS3 (MPC 35819)   11449 Stephwerner           Discovered 1979 Aug. 22 by C.-I. Lagerkvist at the European Southern Observatory. German geophysicist Stephanie C. Werner (b. 1974) has investigated the chronostratigraphy and geologic evolutionary history of Mars. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060613/MPCPages.arc Last Updated: 2008-05-22 Alternate Designations  1979 QP = 1990 TJ12  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-18 22:45 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin