+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58652 (1997 WD43) Classification: Main-belt Asteroid          SPK-ID: 2058652 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3103067215103844 2.7639e-08   a 2.630511354358002 1.1694e-08 au q 1.81424600009133 6.9303e-08 au i 10.49455390427554 6.1022e-06 deg node 233.6806938454002 1.7434e-05 deg peri 256.7076125104145 2.072e-05 deg M 62.78454930393354 1.062e-05 deg tp 2458728.725329277009 (2019-Sep-02.22532928) 4.5432e-05 TDB period 1558.327367879141 4.27 1.0391e-05 2.845e-08 d yr n .2310169271364042 1.5404e-09 deg/d Q 3.446776708624674 1.5322e-08 au   Orbit Determination Parameters    # obs. used (total)      1316      data-arc span      8297 days (22.72 yr)      first obs. used      1997-11-29      last obs. used      2020-08-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48789      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 22:50:17   Additional Information  Earth MOID = .862482 au   Jupiter MOID = 1.81232 au   T_jup = 3.307  [ 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 14.6   n/a MPO319768   diameter diameter 3.113 km 0.584 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   geometric albedo albedo 0.263   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   58652 (1997 WD43)          Discovered 1997-Nov-29 by LINEAR at Socorro Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1997 WD43 = 2000 QG69 = 2001 SY105  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 11:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin