+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160285 (2003 AC83) Classification: Main-belt Asteroid          SPK-ID: 2160285 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06371248721453347 6.8107e-08   a 2.553323652992532 1.6007e-08 au q 2.390645052396679 1.686e-07 au i 4.280784005629954 5.1398e-06 deg node 90.19481757569363 7.995e-05 deg peri 115.8279257036105 9.0652e-05 deg M 64.04394184196612 3.8678e-05 deg tp 2458935.385926243796 (2020-Mar-26.88592624) 0.00016114 TDB period 1490.243476701394 4.08 1.4014e-05 3.837e-08 d yr n .2415712637755331 2.2716e-09 deg/d Q 2.716002253588384 1.7027e-08 au   Orbit Determination Parameters    # obs. used (total)      354      data-arc span      6882 days (18.84 yr)      first obs. used      2001-10-14      last obs. used      2020-08-17      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52647      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 20:00:42   Additional Information  Earth MOID = 1.38837 au   Jupiter MOID = 2.24724 au   T_jup = 3.432  [ 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 16.36   n/a E2021B55   160285 (2003 AC83)          Discovered 2003-Jan-12 by LINEAR at Socorro Reference: 20070730/Numbers.arc Last Updated: 2007-08-06 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-17 06:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin