+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2016 GC222) Classification: Apollo [NEO]          SPK-ID: 3752018 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2457495.5 (2016-Apr-17.0) TDB Reference: JPL 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .582664826378393 0.0031006   a 2.394174141072624 0.017739 au q .9991730808449055 2.0585e-05 au i 4.303451197985426 0.015555 deg node 35.68707071604619 0.0064066 deg peri 203.3771996726049 0.0091985 deg M 352.9788419243219 0.080799 deg tp 2457521.889932579858 (2016-May-13.38993258) 0.010434 TDB period 1353.106656529923 3.70 15.039 0.04117 d yr n .2660544150475391 0.0029569 deg/d Q 3.789175201300343 0.028075 au   Orbit Determination Parameters    # obs. used (total)      35      data-arc span      5 days      first obs. used      2016-04-15      last obs. used      2016-04-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      8      norm. resid. RMS      .63434      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:26:28   Additional Information  Earth MOID = .0112276 au   Jupiter MOID = 1.24375 au   T_jup = 3.273  [ 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 25.7   n/a MPO380437   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2020-Aug-07 20:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin