+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2016 EJ203) Classification: TransNeptunian Object          SPK-ID: 3752786 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ 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 .9595183065352211 5.2688e-06   a 67.4274051565867 0.0088327 au q 2.729575546674397 2.4204e-06 au i 170.9796008529658 1.5114e-05 deg node 7.073434470853297 7.8332e-05 deg peri 227.5151882367119 0.00014816 deg M 2.537325866525813 0.00049873 deg tp 2457575.132529440824 (2016-Jul-05.63252944) 0.00046813 TDB period 202233.4995165206 553.69 39.737 0.1088 d yr n .001780120508524313 3.4978e-07 deg/d Q 132.125234766499 0.017308 au   Orbit Determination Parameters    # obs. used (total)      63      data-arc span      287 days      first obs. used      2016-03-11      last obs. used      2016-12-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .58179      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 13:51:34   Additional Information  Earth MOID = 1.75293 au   Jupiter MOID = .478223 au   T_jup = -1.925  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 18.1   n/a MPO399568   [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2021-Jan-21 06:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin