+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103988 (2000 DE93) Classification: Main-belt Asteroid          SPK-ID: 2103988 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1140993322483277 4.7205e-08   a 2.385229764448659 1.2052e-08 au q 2.113076641066231 1.1149e-07 au i 4.348757583450183 6.0464e-06 deg node 345.1920181752882 5.4643e-05 deg peri 243.7329641898968 5.9974e-05 deg M 161.1436906962721 2.3955e-05 deg tp 2458598.211511780306 (2019-Apr-24.71151178) 8.8797e-05 TDB period 1345.5311518697 3.68 1.0198e-05 2.792e-08 d yr n .2675523338867014 2.0279e-09 deg/d Q 2.657382887831087 1.3427e-08 au   Orbit Determination Parameters    # obs. used (total)      481      data-arc span      7621 days (20.87 yr)      first obs. used      2000-02-03      last obs. used      2020-12-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5907      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:36:36   Additional Information  Earth MOID = 1.10634 au   Jupiter MOID = 2.33966 au   T_jup = 3.523  [ 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 16.39   n/a E2021B55   103988 (2000 DE93)          Discovered 2000-Feb-28 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 23:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin