+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06920984320487482 3.595e-08   a 1.909785688452938 9.1038e-09 au q 1.777609720400196 6.9212e-08 au i 23.42799882149563 6.2213e-06 deg node 139.2603948150779 1.0385e-05 deg peri 108.4155406002391 4.8467e-05 deg M 8.119670084135659 4.7699e-05 deg tp 2458978.757410756177 (2020-May-09.25741076) 0.00012767 TDB period 963.9963257952479 2.64 6.893e-06 1.887e-08 d yr n .3734454067581828 2.6703e-09 deg/d Q 2.04196165650568 9.7339e-09 au   Orbit Determination Parameters    # obs. used (total)      392      data-arc span      7139 days (19.55 yr)      first obs. used      1999-07-12      last obs. used      2019-01-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57828      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 13:05:49   Additional Information  Earth MOID = .827449 au   Jupiter MOID = 3.09761 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 16.9   n/a MPO469700   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 ] 2020-Oct-25 15:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin