+ 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 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5836698215385452 0.0030742   a 2.39993677324211 0.017673 au q .9991661051000955 2.0393e-05 au i 4.308504377182922 0.015408 deg node 35.6891395202866 0.0063466 deg peri 203.3803072151357 0.0091171 deg M 353.0049761884732 0.079998 deg tp 2457521.886684464497 (2016-May-13.38668446) 0.010339 TDB period 1357.994863658021 3.72 15.001 0.04107 d yr n .2650967316844414 0.0029283 deg/d Q 3.800707441384124 0.027989 au   Orbit Determination Parameters    # obs. used (total)      36      data-arc span      5 days      first obs. used      2016-04-15      last obs. used      2016-04-20      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      8      norm. resid. RMS      .70875      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 16:59:51   Additional Information  Earth MOID = .0112448 au   Jupiter MOID = 1.23246 au   T_jup = 3.268  [ 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 ] 2021-May-15 18:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin