+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06347819341338723 6.996e-08   a 2.55234624652579 1.8465e-08 au q 2.390327917830893 1.7172e-07 au i 4.281224788047612 5.6365e-06 deg node 90.1938738038364 8.5662e-05 deg peri 115.5569959449544 9.6321e-05 deg M 15.98217998124149 4.1401e-05 deg tp 2458934.378708515035 (2020-Mar-25.87870851) 0.00017141 TDB period 1489.387865893526 4.08 1.6163e-05 4.425e-08 d yr n .2417100395698643 2.6231e-09 deg/d Q 2.714364575220686 1.9638e-08 au   Orbit Determination Parameters    # obs. used (total)      308      data-arc span      6769 days (18.53 yr)      first obs. used      2001-10-14      last obs. used      2020-04-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53338      source      ORB      producer      Otto Matic      solution date      2020-May-21 01:32:01   Additional Information  Earth MOID = 1.3891 au   Jupiter MOID = 2.24989 au   T_jup = 3.433  [ 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 16.3   n/a MPO422606   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 ] 2020-Jul-04 07:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin