+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118763 (2000 QU222) Classification: Main-belt Asteroid          SPK-ID: 2118763 [ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2226040330330812 4.0453e-08   a 2.737928600751418 1.284e-08 au q 2.128454652067532 1.0926e-07 au i 10.94855946633972 4.1791e-06 deg node 91.22216810276662 2.1672e-05 deg peri 322.9580491854154 2.4036e-05 deg M 117.019449411678 9.8086e-06 deg tp 2458662.617822677325 (2019-Jun-28.11782268) 4.3723e-05 TDB period 1654.747008379267 4.53 1.164e-05 3.187e-08 d yr n .2175559153012762 1.5304e-09 deg/d Q 3.347402549435305 1.5698e-08 au   Orbit Determination Parameters    # obs. used (total)      1009      data-arc span      7531 days (20.62 yr)      first obs. used      2000-08-01      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53407      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 16:58:45   Additional Information  Earth MOID = 1.15104 au   Jupiter MOID = 2.03569 au   T_jup = 3.289  [ 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 14.99   n/a E2021B55   118763 (2000 QU222)          Discovered 2000-Aug-21 by LONEOS at Anderson Mesa Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-21 22:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin