+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   183438 (2003 AF68) Classification: Main-belt Asteroid          SPK-ID: 2183438 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1699303813327478 4.7659e-08   a 2.623885468625735 1.2401e-08 au q 2.178007610368708 1.2592e-07 au i 3.790955610570306 6.6655e-06 deg node 154.3013927869133 6.7488e-05 deg peri 310.4232624068752 7.2125e-05 deg M 44.5980666906712 2.0809e-05 deg tp 2458808.177865555385 (2019-Nov-20.67786556) 8.9828e-05 TDB period 1552.443268007036 4.25 1.1006e-05 3.013e-08 d yr n .2318925318682682 1.644e-09 deg/d Q 3.069763326882762 1.4509e-08 au   Orbit Determination Parameters    # obs. used (total)      380      data-arc span      7743 days (21.20 yr)      first obs. used      1999-02-08      last obs. used      2020-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56923      source      ORB      producer      Otto Matic      solution date      2020-May-21 04:38:36   Additional Information  Earth MOID = 1.19709 au   Jupiter MOID = 2.07379 au   T_jup = 3.380  [ 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 MPO454262   183438 (2003 AF68)          Discovered 2003-Jan-08 by LINEAR at Socorro Reference: 20080420/Numbers.arc Last Updated: 2008-04-23 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-20 17:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin