+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   23812 Jannuzi (1998 QR46) Classification: Main-belt Asteroid          SPK-ID: 2023812 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO257035 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1135222 n/a   a 2.7348507 n/a AU q 2.4243844 n/a AU i 4.73581 n/a deg node 179.92791 n/a deg peri 145.01929 n/a deg M 102.29447 n/a deg tp 2455931.0941370 (2012-Jan-04.59413700) n/a JED period 1651.9574388 4.52 n/a n/a d yr n 0.21792329 n/a deg/d Q 3.0453170 n/a AU   Orbit Determination Parameters    # obs. used (total)      503      first obs. used      1997-??-??      last obs. used      2013-03-04      # oppositions      12      planetary ephem.      DE403      condition code      0      fit RMS      0.56      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.338  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.4 mag n/a PDS3 (MPO 11206)   23812 Jannuzi           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Brigg Lowell Jannuzi (b. 1992) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his earth and space science project. He attends the Doolen Middle School, Tucson, Arizona. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20071026/MPCPages.arc Last Updated: 2007-10-28 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 10:42 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin