+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03334487027041349 5.1182e-08   a 3.191132494407968 2.3937e-08 au q 3.084724595366234 1.6903e-07 au i 15.79813793844848 5.7949e-06 deg node 182.3977203367335 1.3936e-05 deg peri 20.78493468149165 6.084e-05 deg M 25.24263795101518 5.8675e-05 deg tp 2459054.501659665104 (2020-Jul-24.00165967) 0.00033947 TDB period 2082.167585755382 5.70 2.3428e-05 6.414e-08 d yr n .1728967459021301 1.9454e-09 deg/d Q 3.297540393449703 2.4735e-08 au   Orbit Determination Parameters    # obs. used (total)      694      data-arc span      8425 days (23.07 yr)      first obs. used      1997-04-29      last obs. used      2020-05-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55258      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:03:34   Additional Information  Earth MOID = 2.08705 au   Jupiter MOID = 1.66029 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 14.52   n/a E2021B55   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 ] 2021-Mar-09 05:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin