+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2962065027957089 5.428e-07   a 1.306126709662475 4.6755e-09 au q .9192434847852871 7.1065e-07 au i 24.05513693246888 7.3031e-05 deg node 262.2909286830207 4.5911e-06 deg peri 66.37593664933249 0.00013936 deg M 207.6782565939247 5.0619e-05 deg tp 2459431.193731519193 (2021-Aug-04.69373152) 7.5912e-05 TDB period 545.2257930471991 1.49 2.9276e-06 8.015e-09 d yr n .6602769065417922 3.5453e-09 deg/d Q 1.693009934539663 6.0604e-09 au   Orbit Determination Parameters    # obs. used (total)      90      data-arc span      1092 days (2.99 yr)      first obs. used      2018-06-12      last obs. used      2021-06-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .43617      source      ORB      producer      Otto Matic      solution date      2021-Jun-07 22:42:02   Additional Information  Earth MOID = .040823 au   Jupiter MOID = 3.69207 au   T_jup = 4.858  [ 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-Jun-22 08:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin