+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   193435 (2000 WO116) Classification: Main-belt Asteroid          SPK-ID: 2193435 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1782319838895259 4.3031e-08   a 2.457307245773003 1.4831e-08 au q 2.019336500332774 1.0518e-07 au i 9.897723697806253 4.7071e-06 deg node 285.4406939111295 2.637e-05 deg peri 233.4223499832597 2.8983e-05 deg M 324.9369287464647 1.4843e-05 deg tp 2459137.536125861922 (2020-Oct-15.03612586) 5.8664e-05 TDB period 1406.979010867958 3.85 1.2738e-05 3.487e-08 d yr n .2558673563850238 2.3164e-09 deg/d Q 2.895277991213232 1.7475e-08 au   Orbit Determination Parameters    # obs. used (total)      442      data-arc span      7004 days (19.18 yr)      first obs. used      2000-11-20      last obs. used      2020-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4958      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 14:14:48   Additional Information  Earth MOID = 1.04687 au   Jupiter MOID = 2.18276 au   T_jup = 3.450  [ 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 16.2   n/a MPO503019   diameter diameter 2.683 km 0.367 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.107   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   193435 (2000 WO116)          Discovered 2000-Nov-20 by LINEAR at Socorro Reference: 20081113/Numbers.arc Last Updated: 2008-11-17 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2016-Mar-11 13:14 < 00:01 Amphi 0.0279186739730568 0.0279107851007459 0.0279265629306844 4.88090547213356 4.88090542994663 2457459.051473831 0.883040407655284 400.998912551244 78.236876159587 -11.5080963852009 14745.0572661854 T 18 CATAB v2.0f-lin.ifort 2020-Aug-25 14:14:59 2020-Aug-25 14:15 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-24 10:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin