+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160953 (2002 AA116) Classification: Main-belt Asteroid          SPK-ID: 2160953 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2614352526024726 4.044e-08   a 2.256135942951663 1.1308e-08 au q 1.666302472800577 9.0745e-08 au i 2.79426623492697 3.1997e-06 deg node 117.8922202430126 9.017e-05 deg peri 227.3498841833127 9.0463e-05 deg M 319.7909916947455 1.0887e-05 deg tp 2459338.750650915154 (2021-May-04.25065092) 3.8148e-05 TDB period 1237.788158106641 3.39 9.3059e-06 2.548e-08 d yr n .2908413670321965 2.1866e-09 deg/d Q 2.845969413102749 1.4264e-08 au   Orbit Determination Parameters    # obs. used (total)      553      data-arc span      6727 days (18.42 yr)      first obs. used      2001-12-24      last obs. used      2020-05-25      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50709      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 20:03:29   Additional Information  Earth MOID = .65868 au   Jupiter MOID = 2.57326 au   T_jup = 3.576  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.43   n/a E2021B55   160953 (2002 AA116)          Discovered 2002-Jan-09 by LINEAR at Socorro Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-16 21:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin