+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 GP) Classification: Apollo [NEO]          SPK-ID: 3802402 [ 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 4 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6364409889004542 0.00058751   a 2.792043783372912 0.0045366 au q 1.01507267682969 8.9522e-06 au i 5.409640454004217 0.0033734 deg node 23.63250891358563 0.00018688 deg peri 180.4168887107207 0.0010099 deg M 164.4007405049811 0.40084 deg tp 2458222.314683179037 (2018-Apr-13.81468318) 0.00077648 TDB period 1704.047762771839 4.67 4.1531 0.01137 d yr n .2112616840119649 0.00051489 deg/d Q 4.569014889916134 0.0074238 au   Orbit Determination Parameters    # obs. used (total)      21      data-arc span      5 days      first obs. used      2018-04-08      last obs. used      2018-04-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .53906      source      ORB      producer      Otto Matic      solution date      2018-Apr-23 07:30:42   Additional Information  Earth MOID = .0118792 au   Jupiter MOID = .403463 au   T_jup = 2.989  [ 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 27.3   n/a MPO445224   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2020-Sep-28 12:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin