+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 GN) Classification: Apollo [NEO]          SPK-ID: 3802400 [ 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 3 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7354413419781782 0.00029327   a 2.424790393754598 0.0023723 au q .6414992925559212 8.3542e-05 au i 1.595332302038428 0.00053367 deg node 25.05741976712183 0.0014414 deg peri 255.6381459497628 0.0011657 deg M 192.5189351386187 0.28039 deg tp 2459642.112688370044 (2022-Mar-03.61268837) 2.0158 TDB period 1379.144370764485 3.78 2.0239 0.005541 d yr n .2610314102217198 0.00038307 deg/d Q 4.208081494953275 0.004117 au   Orbit Determination Parameters    # obs. used (total)      81      data-arc span      1 day      first obs. used      2018-04-08      last obs. used      2018-04-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .35722      source      ORB      producer      Otto Matic      solution date      2018-Apr-11 06:23:07   Additional Information  Earth MOID = .00272981 au   Jupiter MOID = .983343 au   T_jup = 3.071  [ 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 26.2   n/a E2018G48   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2020-Sep-29 20:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin