+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100905 (1998 KY11) Classification: Main-belt Asteroid          SPK-ID: 2100905 [ 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 .03350552561227333 5.1181e-08   a 3.191618750026553 2.4073e-08 au q 3.084681886252926 1.6909e-07 au i 15.79722792093841 5.7946e-06 deg node 182.3964663173336 1.3963e-05 deg peri 20.64760088102835 6.0601e-05 deg M 350.7944968578086 5.8466e-05 deg tp 2459053.754948417657 (2020-Jul-23.25494842) 0.00033819 TDB period 2082.64351597327 5.70 2.3563e-05 6.451e-08 d yr n .1728572351623812 1.9557e-09 deg/d Q 3.298555613800179 2.488e-08 au   Orbit Determination Parameters    # obs. used (total)      684      data-arc span      8401 days (23.00 yr)      first obs. used      1997-04-29      last obs. used      2020-04-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55462      source      ORB      producer      Otto Matic      solution date      2020-May-20 17:57:02   Additional Information  Earth MOID = 2.08766 au   Jupiter MOID = 1.6603 au   T_jup = 3.137  [ 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 14.5   n/a MPO257473   diameter diameter 7.027 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.062   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100905 (1998 KY11)          Discovered 1998-May-26 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 KY11 = 2003 FO10  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-21 02:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin