+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160845 (2001 AS48) Classification: Inner Main-belt Asteroid          SPK-ID: 2160845 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06936566956713873 3.5606e-08   a 1.909738501727538 7.062e-09 au q 1.777268211857063 6.7799e-08 au i 23.43107054021295 5.0913e-06 deg node 139.2573349389566 9.7162e-06 deg peri 108.2850202415966 4.0238e-05 deg M 82.91970628856157 3.6449e-05 deg tp 2458978.468528588773 (2020-May-08.96852859) 9.7723e-05 TDB period 963.9605985805071 2.64 5.347e-06 1.464e-08 d yr n .3734592477432405 2.0715e-09 deg/d Q 2.042208791598013 7.5519e-09 au   Orbit Determination Parameters    # obs. used (total)      471      data-arc span      7705 days (21.10 yr)      first obs. used      1999-07-12      last obs. used      2020-08-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54367      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 12:23:46   Additional Information  Earth MOID = .825515 au   Jupiter MOID = 3.09645 au   T_jup = 3.834  [ 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 16.92   n/a E2020-QM9   160845 (2001 AS48)          Discovered 2001-Jan-04 by LINEAR at Socorro Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 18:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin