+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 LN4) Classification: Apollo [NEO]          SPK-ID: 3825179 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .296371950848913 0.00057551   a 1.306482230323781 0.0010848 au q .919277542973283 1.145e-05 au i 24.06678226179366 0.030143 deg node 262.29360767423 0.0003022 deg peri 66.3479040535691 0.044413 deg M 75.4624071394243 0.51036 deg tp 2458886.164303597981 (2020-Feb-06.66430360) 0.63086 TDB period 545.4484194849232 1.49 0.67935 0.00186 d yr n .6600074125064923 0.00082203 deg/d Q 1.693686917674279 0.0014063 au   Orbit Determination Parameters    # obs. used (total)      70      data-arc span      11 days      first obs. used      2018-06-12      last obs. used      2018-06-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .45014      source      ORB      producer      Otto Matic      solution date      2018-Jul-24 06:23:56   Additional Information  Earth MOID = .0422957 au   Jupiter MOID = 3.69199 au   T_jup = 4.857  [ 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 23.7   n/a E2018M96   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-26 06:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin