+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   109089 (2001 QT29) Classification: Main-belt Asteroid          SPK-ID: 2109089 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .16253287781651 4.0868e-08   a 2.64818808054557 1.1034e-08 au q 2.217770450815119 1.0721e-07 au i 13.83395421495594 4.5392e-06 deg node 182.4250643850459 1.4508e-05 deg peri 199.4760106061484 1.8953e-05 deg M 122.5241559232035 1.1969e-05 deg tp 2458464.776268563423 (2018-Dec-12.27626856) 5.1133e-05 TDB period 1574.06139111091 4.31 9.8378e-06 2.693e-08 d yr n .2287077251452856 1.4294e-09 deg/d Q 3.078605710276022 1.2827e-08 au   Orbit Determination Parameters    # obs. used (total)      953      data-arc span      6824 days (18.68 yr)      first obs. used      2001-08-16      last obs. used      2020-04-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49833      source      ORB      producer      Otto Matic      solution date      2020-May-20 19:00:50   Additional Information  Earth MOID = 1.22382 au   Jupiter MOID = 2.39091 au   T_jup = 3.332  [ 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 15.1   n/a MPO417558   109089 (2001 QT29)          Discovered 2001-Aug-16 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-Jan-28 00:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin