+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   164769 (1999 AG38) Classification: Main-belt Asteroid          SPK-ID: 2164769 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO257739 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2002627 n/a   a 2.8511595 n/a AU q 2.2801786 n/a AU i 12.70100 n/a deg node 131.10804 n/a deg peri 277.95538 n/a deg M 32.92432 n/a deg tp 2456239.6781617 (2012-Nov-08.17816170) n/a JED period 1758.4527726 4.81 n/a n/a d yr n 0.20472543 n/a deg/d Q 3.4221404 n/a AU   Orbit Determination Parameters    # obs. used (total)      279      first obs. used      1999-??-??      last obs. used      2013-03-06      # oppositions      8      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpu      producer      MPCLINUX   Additional Information  T_jup = 3.240  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.0 mag n/a MPO257739   164769 (1999 AG38)          Discovered 1999-Jan-09 by BAO Schmidt CCD Asteroid Program at Xinglong (327) Reference: 20071026/Numbers.arc Last Updated: 2007-10-28 Alternate Designations  1999 AG38 = 2002 RQ140  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-26 06:42 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin