+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100918 (1998 KF52) Classification: Main-belt Asteroid          SPK-ID: 2100918 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1894240539458005 3.2908e-08   a 2.367526978699743 1.1017e-08 au q 1.919060420568385 7.9454e-08 au i 10.15674283398307 3.8098e-06 deg node 114.1345787515471 3.0149e-05 deg peri 154.4109808541317 3.3465e-05 deg M 359.2238700794878 1.6391e-05 deg tp 2459003.368618251288 (2020-Jun-02.86861825) 6.0592e-05 TDB period 1330.579511458881 3.64 9.2877e-06 2.543e-08 d yr n .2705588030626497 1.8886e-09 deg/d Q 2.815993536831101 1.3104e-08 au   Orbit Determination Parameters    # obs. used (total)      673      data-arc span      8055 days (22.05 yr)      first obs. used      1998-05-23      last obs. used      2020-06-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57746      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 01:13:55   Additional Information  Earth MOID = .908036 au   Jupiter MOID = 2.31252 au   T_jup = 3.502  [ 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 15.8   n/a MPO469016   100918 (1998 KF52)          Discovered 1998-May-23 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 KF52 = 2002 PE124  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-04 05:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin