+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   109011 (2001 QW3) Classification: Main-belt Asteroid          SPK-ID: 2109011 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1574688858239454 4.0386e-08   a 2.333238581495969 9.1486e-09 au q 1.965826101706356 9.7191e-08 au i 7.780856988179697 4.586e-06 deg node 309.9526032974495 3.2263e-05 deg peri 103.3661865101361 3.6571e-05 deg M 24.96630262532106 1.6845e-05 deg tp 2458910.220555062919 (2020-Mar-01.72055506) 6.0735e-05 TDB period 1301.778668034995 3.56 7.6564e-06 2.096e-08 d yr n .2765447067460489 1.6265e-09 deg/d Q 2.700651061285583 1.0589e-08 au   Orbit Determination Parameters    # obs. used (total)      808      data-arc span      7749 days (21.22 yr)      first obs. used      1998-11-16      last obs. used      2020-02-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53586      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 03:17:48   Additional Information  Earth MOID = .99446 au   Jupiter MOID = 2.66058 au   T_jup = 3.540  [ 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 15.7   n/a MPO345029   109011 (2001 QW3)          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 ] 2020-Aug-07 17:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin