+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   39103 (2000 WQ17) Classification: Main-belt Asteroid          SPK-ID: 2039103 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0803769062800332 4.0485e-08   a 3.076958839952075 1.8433e-08 au q 2.829642407645728 1.2342e-07 au i 3.63036529651645 4.0491e-06 deg node 151.4007981368974 7.0631e-05 deg peri 280.5594475402879 7.5468e-05 deg M 221.0744075363143 2.8178e-05 deg tp 2459761.282849859177 (2022-Jun-30.78284986) 0.00015704 TDB period 1971.428165914747 5.40 1.7715e-05 4.85e-08 d yr n .1826087332139537 1.6409e-09 deg/d Q 3.324275272258423 1.9914e-08 au   Orbit Determination Parameters    # obs. used (total)      1179      data-arc span      10222 days (27.99 yr)      first obs. used      1992-05-02      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56271      source      ORB      producer      Otto Matic      solution date      2020-May-20 08:40:10   Additional Information  Earth MOID = 1.84722 au   Jupiter MOID = 1.89252 au   T_jup = 3.221  [ 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 14.2   n/a MPO347802   diameter diameter 8.060 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.057   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   39103 (2000 WQ17)          Discovered 2000-Nov-21 by LINEAR at Socorro Reference: 20020328/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 WQ17 = 1997 ED57 = 1999 RD58  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-10 08:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin