+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   109151 (2001 QH59) Classification: Main-belt Asteroid          SPK-ID: 2109151 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ 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 .1563934668442106 6.0288e-08   a 2.470612431470233 1.6711e-08 au q 2.084224788084199 1.5116e-07 au i 11.20054434201538 6.1828e-06 deg node 322.9741865032071 2.6615e-05 deg peri 314.9758676353192 3.1228e-05 deg M 44.53573577735696 1.6382e-05 deg tp 2459025.026519106126 (2020-Jun-24.52651911) 6.4936e-05 TDB period 1418.421679111722 3.88 1.4391e-05 3.94e-08 d yr n .2538032274192594 2.575e-09 deg/d Q 2.857000074856268 1.9324e-08 au   Orbit Determination Parameters    # obs. used (total)      499      data-arc span      6996 days (19.15 yr)      first obs. used      2001-05-24      last obs. used      2020-07-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6233      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:13:43   Additional Information  Earth MOID = 1.08218 au   Jupiter MOID = 2.36588 au   T_jup = 3.441  [ hide covariance matrix ] Orbital Elements at Epoch 2457095.5 (2015-Mar-14.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1557374785028177 6.0464e-08   q 2.087110310008492 1.5133e-07 au tp 2457605.731567154512 (2016-Aug-05.23156715) 6.994e-05 TDB node 323.0156816944886 2.6617e-05 deg peri 314.7242528608981 3.1249e-05 deg i 11.19858900450931 6.1828e-06 deg   Orbit Determination Parameters    # obs. used (total)      499      data-arc span      6996 days (19.15 yr)      first obs. used      2001-05-24      last obs. used      2020-07-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6233      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:13:43   Additional Information  Jupiter MOID = 2.36588 au   T_jup = 3.441  Orbit Covariance (6×6)   e q tp node peri i e 3.655933250160002E-15 -9.111556950285639E-15 7.579868066454476E-13 -2.670937217133354E-14 2.361227021876297E-13 -4.774839930464149E-15 q -9.111556950285639E-15 2.290170844481006E-14 -2.278527594630052E-12 6.366136102596124E-14 -6.872150510900362E-13 1.260923538944634E-14 tp 7.579868066454476E-13 -2.278527594630052E-12 4.89156170353745E-9 1.694418473645241E-11 1.171136655870123E-9 -1.042822540386453E-11 node -2.670937217133354E-14 6.366136102596124E-14 1.694418473645241E-11 7.08470422382195E-10 -6.905176868940383E-10 -5.272359020438264E-11 peri 2.361227021876297E-13 -6.872150510900362E-13 1.171136655870123E-9 -6.905176868940383E-10 9.764941008446627E-10 4.928319641691303E-11 i -4.774839930464149E-15 1.260923538944634E-14 -1.042822540386453E-11 -5.272359020438264E-11 4.928319641691303E-11 3.822695049837864E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.87   n/a E2021B55   109151 (2001 QH59)          Discovered 2001-Aug-17 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-08 13:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin