+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160953 (2002 AA116) Classification: Mars-crossing Asteroid          SPK-ID: 2160953 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2613892699101396 4.3688e-08   a 2.255568765512477 1.1915e-08 au q 1.665987292663055 9.7515e-08 au i 2.79419843671704 3.3262e-06 deg node 117.8932485229059 9.6489e-05 deg peri 227.402613900681 9.6785e-05 deg M 261.5546056893756 1.0885e-05 deg tp 2459338.857211288559 (2021-May-04.35721129) 3.9204e-05 TDB period 1237.321429985227 3.39 9.8042e-06 2.684e-08 d yr n .2909510748587763 2.3054e-09 deg/d Q 2.845150238361898 1.503e-08 au   Orbit Determination Parameters    # obs. used (total)      520      data-arc span      6698 days (18.34 yr)      first obs. used      2001-12-24      last obs. used      2020-04-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50927      source      ORB      producer      Otto Matic      solution date      2020-May-21 01:37:21   Additional Information  Earth MOID = .660189 au   Jupiter MOID = 2.57367 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 16.4   n/a MPO469701   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 ] 2020-Jul-09 09:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin