+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150507 (2000 QY209) Classification: Main-belt Asteroid          SPK-ID: 2150507 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1445424757059634 3.9036e-08   a 2.792061578214168 1.2768e-08 au q 2.388490085375593 1.0703e-07 au i 14.49333283362585 5.2057e-06 deg node 166.7930639928659 1.3363e-05 deg peri 241.4118258374974 2.3103e-05 deg M 74.36661770544272 1.6671e-05 deg tp 2458848.484777704221 (2019-Dec-30.98477770) 7.8989e-05 TDB period 1704.064053691736 4.67 1.1689e-05 3.2e-08 d yr n .2112596643418921 1.4491e-09 deg/d Q 3.195633071052744 1.4613e-08 au   Orbit Determination Parameters    # obs. used (total)      724      data-arc span      7501 days (20.54 yr)      first obs. used      2000-08-31      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50256      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:18:50   Additional Information  Earth MOID = 1.43173 au   Jupiter MOID = 2.36483 au   T_jup = 3.267  [ 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 15.35   n/a E2021B55   150507 (2000 QY209)          Discovered 2000-Aug-31 by LINEAR at Socorro Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-21 00:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin