+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103447 (2000 AD191) Classification: Main-belt Asteroid          SPK-ID: 2103447 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2287202398694763 4.056e-08   a 2.649297970254617 1.6018e-08 au q 2.043349903012265 1.114e-07 au i 13.7146150873723 4.4306e-06 deg node 149.0221617192469 2.1107e-05 deg peri 353.5377573846326 2.4907e-05 deg M 283.1745763997119 1.616e-05 deg tp 2459536.622124416298 (2021-Nov-18.12212442) 7.2762e-05 TDB period 1575.051058871266 4.31 1.4285e-05 3.911e-08 d yr n .2285640189074175 2.0729e-09 deg/d Q 3.25524603749697 1.9682e-08 au   Orbit Determination Parameters    # obs. used (total)      615      data-arc span      9076 days (24.85 yr)      first obs. used      1996-03-09      last obs. used      2021-01-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52568      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:34:37   Additional Information  Earth MOID = 1.0562 au   Jupiter MOID = 1.76757 au   T_jup = 3.314  [ 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 15.31   n/a E2021B55   diameter diameter 4.243 km 1.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.089   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   103447 (2000 AD191)          Discovered 2000-Jan-08 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  2000 AD191 = 1996 EB3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-28 19:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin