+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   134244 De Young (2006 AA4) Classification: Main-belt Asteroid          SPK-ID: 2134244 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO241066 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1850627 n/a   a 2.7247786 n/a AU q 2.2205237 n/a AU i 7.66300 n/a deg node 297.85612 n/a deg peri 289.81305 n/a deg M 159.51851 n/a deg tp 2455672.5461704 (2011-Apr-21.04617040) n/a JED period 1642.8399354 4.50 n/a n/a d yr n 0.21913273 n/a deg/d Q 3.2290335 n/a AU   Orbit Determination Parameters    # obs. used (total)      109      first obs. used      1997-??-??      last obs. used      2012-10-08      # oppositions      8      planetary ephem.      DE403      condition code      0      fit RMS      0.56      data source      MPC:mpu      producer      MPCLINUX   Additional Information  T_jup = 3.319  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.9 mag n/a MPO241066   134244 De Young           Discovered 2006 Jan. 6 by L. A. Molnar at the Calvin-Rehoboth Observatory. Mike De Young (b. 1954) has taught at the Rehoboth Christian School since 1977. He was selected in 1995 by the National Association of Geology Teachers as one of the nations 24 outstanding earth science teachers. He runs the school observatory and is the local liaison for the Calvin-Rehoboth Robotic Observatory. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20070402/MPCPages.arc Last Updated: 2007-07-05 Alternate Designations  2006 AA4 = 1997 EF31  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 08:37 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin