+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   175774 (1999 AQ22) Classification: Main-belt Asteroid          SPK-ID: 2175774 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO235260 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.3084045 n/a   a 2.6854262 n/a AU q 1.8572287 n/a AU i 15.74882 n/a deg node 81.85213 n/a deg peri 91.88737 n/a deg M 64.71331 n/a deg tp 2456111.5588693 (2012-Jul-03.05886930) n/a JED period 1607.3788692 4.40 n/a n/a d yr n 0.22396711 n/a deg/d Q 3.5136237 n/a AU   Orbit Determination Parameters    # obs. used (total)      201      first obs. used      1999-??-??      last obs. used      2012-05-17      # oppositions      6      planetary ephem.      DE403      condition code      1      fit RMS      0.51      data source      MPC:mpu      producer      MPCLINUX   Additional Information  T_jup = 3.253  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.7 mag n/a MPC41561   175774 (1999 AQ22)          Discovered 1999-Jan-14 by BAO Schmidt CCD Asteroid Program at Xinglong (327) Reference: 20080221/Numbers.arc Last Updated: 2008-02-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-18 21:38 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin