+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118977 (2000 WQ183) Classification: Main-belt Asteroid          SPK-ID: 2118977 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1696760146960787 4.5733e-08   a 3.159555775569359 2.5411e-08 au q 2.623454943360772 1.5343e-07 au i 2.309241734528233 4.3331e-06 deg node 110.128057131484 0.00014692 deg peri 200.6146828718016 0.00014781 deg M 261.8462765528763 1.885e-05 deg tp 2459559.796040509305 (2021-Dec-11.29604051) 0.00011098 TDB period 2051.339139383917 5.62 2.4747e-05 6.775e-08 d yr n .1754951158920117 2.1172e-09 deg/d Q 3.695656607777946 2.9723e-08 au   Orbit Determination Parameters    # obs. used (total)      575      data-arc span      9786 days (26.79 yr)      first obs. used      1993-07-13      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55512      source      ORB      producer      Otto Matic      solution date      2020-May-20 20:25:13   Additional Information  Earth MOID = 1.60922 au   Jupiter MOID = 1.57847 au   T_jup = 3.181  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.1   n/a MPO251134   diameter diameter 4.985 km 0.338 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.071   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   118977 (2000 WQ183)          Discovered 2000-Nov-21 by Haute Provence at Haute Provence Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ show close-approach data ] Alternate Designations  2000 WQ183 = 1993 OQ3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-21 11:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin