+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1697916331050624 4.5108e-08   a 3.159180072226017 2.507e-08 au q 2.622777728489793 1.5146e-07 au i 2.309256081451764 4.26e-06 deg node 110.1278364911818 0.00013857 deg peri 200.6606788848777 0.00013945 deg M 296.9149948579908 1.8762e-05 deg tp 2459559.904607826415 (2021-Dec-11.40460783) 0.00010931 TDB period 2050.973262604198 5.62 2.4414e-05 6.684e-08 d yr n .1755264227788589 2.0894e-09 deg/d Q 3.695582415962242 2.9327e-08 au   Orbit Determination Parameters    # obs. used (total)      586      data-arc span      9804 days (26.84 yr)      first obs. used      1993-07-13      last obs. used      2020-05-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55341      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 16:59:45   Additional Information  Earth MOID = 1.60656 au   Jupiter MOID = 1.57846 au   T_jup = 3.182  [ 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 15.14   n/a E2021B55   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 ] 2021-Apr-23 09:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin