+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103340 (2000 AW81) Classification: Main-belt Asteroid          SPK-ID: 2103340 [ 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 .1652167008384278 3.3083e-08   a 2.610526574403637 1.2462e-08 au q 2.179223986329625 8.6629e-08 au i 4.650755877547691 4.1887e-06 deg node 195.8143955962065 4.5507e-05 deg peri 202.143496300347 4.7371e-05 deg M 35.87928890708252 1.4747e-05 deg tp 2459046.956324978076 (2020-Jul-16.45632498) 6.2556e-05 TDB period 1540.602522838217 4.22 1.1032e-05 3.02e-08 d yr n .2336748088253031 1.6733e-09 deg/d Q 3.041829162477648 1.4521e-08 au   Orbit Determination Parameters    # obs. used (total)      1010      data-arc span      8190 days (22.42 yr)      first obs. used      1998-08-17      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51461      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:34:11   Additional Information  Earth MOID = 1.18623 au   Jupiter MOID = 2.37883 au   T_jup = 3.386  [ 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 15.2   n/a MPO449623   103340 (2000 AW81)          Discovered 2000-Jan-05 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-04 22:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin