+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11681 Ortner (1998 EP6) Classification: Main-belt Asteroid          SPK-ID: 2011681 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250328 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1033168 n/a   a 2.1887137 n/a AU q 1.9625828 n/a AU i 2.01707 n/a deg node 324.82013 n/a deg peri 215.63174 n/a deg M 230.26035 n/a deg tp 2456826.7379224 (2014-Jun-18.23792240) n/a JED period 1182.7197936 3.24 n/a n/a d yr n 0.30438317 n/a deg/d Q 2.4148446 n/a AU   Orbit Determination Parameters    # obs. used (total)      1037      first obs. used      1943-??-??      last obs. used      2013-01-22      # oppositions      16      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.667  [ 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 35879)   11681 Ortner           Discovered 1998 Mar. 1 by the OCA-DLR Asteroid Survey at Caussols. Johannes Ortner (b. 1933) is founder and unique director of the Summer School Alpbach. Held annually since 1975, Alpbach provides in-depth teaching on all aspects of space science and technology for European students, culminating in the design of innovative space-mission proposals. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20081113/MPCPages.arc Last Updated: 2008-11-17 Alternate Designations  1998 EP6 = 1943 GD = 1980 UP1 = 1985 DW3 = 1986 RY8  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 13:13 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin