+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .222491072297846 4.0495e-08   a 2.738428152241672 1.2874e-08 au q 2.129152336238813 1.0935e-07 au i 10.94865502462742 4.2521e-06 deg node 91.22622835865876 2.1748e-05 deg peri 323.0004365224389 2.4247e-05 deg M 73.47351198200789 9.8294e-06 deg tp 2458662.685138373902 (2019-Jun-28.18513837) 4.4412e-05 TDB period 1655.199906806904 4.53 1.1672e-05 3.196e-08 d yr n .2174963873061634 1.5338e-09 deg/d Q 3.34770396824453 1.5739e-08 au   Orbit Determination Parameters    # obs. used (total)      1005      data-arc span      7215 days (19.75 yr)      first obs. used      2000-08-01      last obs. used      2020-05-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53427      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 18:09:07   Additional Information  Earth MOID = 1.1524 au   Jupiter MOID = 2.03436 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 14.9   n/a MPO338093   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 ] 2020-Nov-25 06:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin