+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   80492 (2000 AT46) Classification: Main-belt Asteroid          SPK-ID: 2080492 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .182835815414116 4.9583e-08   a 2.461418352942219 1.0111e-08 au q 2.011382921306758 1.2169e-07 au i 3.084937264095985 3.5792e-06 deg node 123.3847933351799 0.00011472 deg peri 297.6774107247711 0.00011583 deg M 135.2429800624317 1.5558e-05 deg tp 2458470.606234715342 (2018-Dec-18.10623472) 6.083e-05 TDB period 1410.511328679804 3.86 8.6912e-06 2.38e-08 d yr n .2552265924279737 1.5726e-09 deg/d Q 2.91145378457768 1.196e-08 au   Orbit Determination Parameters    # obs. used (total)      737      data-arc span      7442 days (20.38 yr)      first obs. used      2000-01-04      last obs. used      2020-05-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5408      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:19:19   Additional Information  Earth MOID = 1.02647 au   Jupiter MOID = 2.41599 au   T_jup = 3.464  [ 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 MPO453227   80492 (2000 AT46)          Discovered 2000-Jan-04 by LINEAR at Socorro Reference: 20040504/Numbers.arc Last Updated: 2004-07-16 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-25 08:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin