+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 3 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7353841209508883 0.00029303   a 2.424750309904109 0.0023736 au q .6416274347298816 8.2468e-05 au i 1.595282117852466 0.00053295 deg node 25.03887707157391 0.0014321 deg peri 255.6627249506485 0.0011608 deg M 244.694468818001 0.35707 deg tp 2459642.219530794845 (2022-Mar-03.71953079) 2.0165 TDB period 1379.110173259142 3.78 2.025 0.005544 d yr n .2610378829627806 0.0003833 deg/d Q 4.207873185078335 0.0041191 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 = .00271352 au   Jupiter MOID = .983057 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 ] 2021-Mar-05 16:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin