+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150764 (2001 QY204) Classification: Main-belt Asteroid          SPK-ID: 2150764 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1294303417777277 3.5528e-08   a 2.316517181431912 1.0063e-08 au q 2.016689570905201 8.3495e-08 au i 5.142797841818071 4.0494e-06 deg node 278.2991433842055 5.06e-05 deg peri 338.5420282677916 5.385e-05 deg M 237.2999054537918 1.995e-05 deg tp 2459639.428834658081 (2022-Feb-28.92883466) 7.2402e-05 TDB period 1287.809769514088 3.53 8.3915e-06 2.297e-08 d yr n .2795443927528474 1.8215e-09 deg/d Q 2.616344791958623 1.1366e-08 au   Orbit Determination Parameters    # obs. used (total)      811      data-arc span      7147 days (19.57 yr)      first obs. used      2001-06-25      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52191      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 10:40:05   Additional Information  Earth MOID = 1.00088 au   Jupiter MOID = 2.43932 au   T_jup = 3.564  [ 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 15.8   n/a MPO532789   150764 (2001 QY204)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-11 14:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin