+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103428 (2000 AN158) Classification: Main-belt Asteroid          SPK-ID: 2103428 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1088218266995659 3.7371e-08   a 2.305655615901831 8.2812e-09 au q 2.054749960039281 8.6254e-08 au i 4.998515241188817 4.2613e-06 deg node 64.20496485181891 4.7969e-05 deg peri 81.14606832114336 5.2949e-05 deg M 323.0759807071202 2.0624e-05 deg tp 2459331.658534209247 (2021-Apr-27.15853421) 7.3375e-05 TDB period 1278.76307128986 3.50 6.8893e-06 1.886e-08 d yr n .2815220489882273 1.5167e-09 deg/d Q 2.556561271764381 9.1823e-09 au   Orbit Determination Parameters    # obs. used (total)      684      data-arc span      7713 days (21.12 yr)      first obs. used      1999-12-10      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52855      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:34:32   Additional Information  Earth MOID = 1.07375 au   Jupiter MOID = 2.45169 au   T_jup = 3.575  [ 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 16.2   n/a MPO439705   103428 (2000 AN158)          Discovered 2000-Jan-03 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-05 02:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin