+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187969 (2001 QS59) Classification: Main-belt Asteroid          SPK-ID: 2187969 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1576959545456221 4.8791e-08   a 2.410882764699441 1.1756e-08 au q 2.030696305822574 1.1378e-07 au i 7.288523230864658 3.8976e-06 deg node 120.5633782041568 4.6507e-05 deg peri 207.1286629828073 4.9659e-05 deg M 57.08392727854132 1.7801e-05 deg tp 2458983.692696191733 (2020-May-14.19269619) 6.7019e-05 TDB period 1367.296068999033 3.74 1.0001e-05 2.738e-08 d yr n .2632933774639958 1.9258e-09 deg/d Q 2.791069223576307 1.3609e-08 au   Orbit Determination Parameters    # obs. used (total)      362      data-arc span      7106 days (19.46 yr)      first obs. used      2001-07-30      last obs. used      2021-01-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54483      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 11:57:42   Additional Information  Earth MOID = 1.01983 au   Jupiter MOID = 2.53438 au   T_jup = 3.492  [ 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 16.86   n/a E2021B55   187969 (2001 QS59)          Discovered 2001-Aug-18 by LINEAR at Socorro Reference: 20080618/Numbers.arc Last Updated: 2008-06-20 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 07:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin