+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 LA) Classification: Apollo [NEO]          SPK-ID: 3825058 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2458271.5 (2018-Jun-02.0) TDB Reference: JPL 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .431805384263455 0.00015498   a 1.376304490962933 0.00027713 au q .7820088013791648 5.5971e-05 au i 4.296820839591492 0.0012844 deg node 71.86962941840413 2.862e-05 deg peri 256.0482322081762 0.00077352 deg M 326.7251660281628 0.013834 deg tp 2458326.010932799894 (2018-Jul-26.51093280) 0.0062002 TDB period 589.7530795967589 1.61 0.17813 0.0004877 d yr n .6104249599614612 0.00018437 deg/d Q 1.970600180546701 0.0003968 au   Orbit Determination Parameters    # obs. used (total)      15      first obs. used      2018-06-02      last obs. used      2018-06-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .63722      source      ORB      producer      Davide Farnocchia      solution date      2018-Jul-24 08:33:26   Additional Information  Earth MOID = 2.45866E-5 au   Jupiter MOID = 3.38843 au   T_jup = 4.706   not valid after 2018-Jun-02.69791666   14 optical obs and 1 fireball report  [ 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 30.5   n/a E2018O23   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-23 06:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin