+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 JT2) Classification: Aten [NEO]          SPK-ID: 3824095 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2458251.5 (2018-May-13.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5146159274771067 0.0043182   a .7570681457458354 0.00081448 au q .3674688197594689 0.0036626 au i 25.75752710709701 0.53089 deg node 51.44403427341989 0.079986 deg peri 348.4556957904269 0.026744 deg M 201.5249974238607 0.21129 deg tp 2458357.415410441129 (2018-Aug-26.91541044) 0.30648 TDB period 240.6029161633053 0.66 0.38827 0.001063 d yr n 1.496241216609594 0.0024146 deg/d Q 1.146667471732202 0.0012336 au   Orbit Determination Parameters    # obs. used (total)      17      data-arc span      2 days      first obs. used      2018-05-12      last obs. used      2018-05-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      8      norm. resid. RMS      .45648      source      ORB      producer      Otto Matic      solution date      2018-May-14 10:12:18   Additional Information  Earth MOID = .0933892 au   Jupiter MOID = 4.26441 au   T_jup = 7.462  [ 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 24.6   n/a MPO448894   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Feb-25 17:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin