+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2014 JG55) Classification: Apollo [NEO]          SPK-ID: 3671125 [ 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 4 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4112585027665493 6.323e-05   a 1.580143279658603 5.7952e-05 au q .9302959203095812 6.5844e-05 au i 8.745603854454002 0.0038875 deg node 49.86790418782378 0.0025197 deg peri 223.194867036789 0.015878 deg M 97.47820488689847 0.27884 deg tp 2459004.051755790947 (2020-Jun-03.55175579) 0.55113 TDB period 725.5095433621835 1.99 0.039912 0.0001093 d yr n .4962029835357844 2.7297e-05 deg/d Q 2.229990639007626 8.1785e-05 au   Orbit Determination Parameters    # obs. used (total)      44      first obs. used      2014-05-10      last obs. used      2014-05-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .4001      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:40:32   Additional Information  Earth MOID = .000585357 au   Jupiter MOID = 2.91312 au   T_jup = 4.286  [ 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 29.2   n/a MPO293441   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-07 22:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin