+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   174364 Zakamska (2002 TH369) Classification: Main-belt Asteroid          SPK-ID: 2174364 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO130755 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0955725 n/a   a 2.7866925 n/a AU q 2.5203613 n/a AU i 12.55730 n/a deg node 82.87818 n/a deg peri 236.67230 n/a deg M 152.85347 n/a deg tp 2455679.0524045 (2011-Apr-27.55240450) n/a JED period 1699.1510522 4.65 n/a n/a d yr n 0.21187051 n/a deg/d Q 3.0530237 n/a AU   Orbit Determination Parameters    # obs. used (total)      50      first obs. used      1993-??-??      last obs. used      2008-01-11      # oppositions      6      planetary ephem.      DE403      condition code      0      fit RMS      0.42      data source      MPC:mpu      producer      MPCADO   Additional Information  T_jup = 3.289  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.2 mag n/a MPO130755   174364 Zakamska           Discovered 2002 Oct. 10 by the Sloan Digital Sky Survey at Apache Point. Nadia Zakamska (b. 1979) is a Russian-American astrophysicist and a contributor to the Sloan Digital Sky Survey, known for her work on active galaxies and the discovery of large numbers of obscured quasars. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20130127/MPCPages.arc Last Updated: 2013-01-31 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 03:43 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin