+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 KL2) Classification: Apollo [NEO]          SPK-ID: 3825022 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 .4372618845374764 2.3115e-06   a 1.050675853203902 4.2887e-07 au q .591255349593943 2.1881e-06 au i 8.65368148649191 3.4725e-05 deg node 212.597103917303 5.437e-05 deg peri 170.8166653158877 9.267e-05 deg M 37.7719568981363 0.00033806 deg tp 2459159.226762309546 (2020-Nov-05.72676231) 0.00034476 TDB period 393.3702881381967 1.08 0.00024085 6.594e-07 d yr n .9151682545823767 5.6034e-07 deg/d Q 1.510096356813862 6.164e-07 au   Orbit Determination Parameters    # obs. used (total)      106      data-arc span      1032 days (2.83 yr)      first obs. used      2018-05-21      last obs. used      2021-03-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      3      norm. resid. RMS      .4711      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 20:29:23   Additional Information  Earth MOID = .130316 au   Jupiter MOID = 3.94769 au   T_jup = 5.751  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 21.7   n/a E2018N01   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 20:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin