+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2019 RD2) Classification: Aten [NEO]          SPK-ID: 3843819 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2458732.5 (2019-Sep-06.0) TDB Reference: JPL 2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4679230935357954 0.0079917   a .9544667386449531 0.00085278 au q .5078497096211851 0.0072003 au i 17.64923469273542 0.53955 deg node 166.8737467127592 0.043998 deg peri 16.25825219811862 0.089122 deg M 133.6957080571414 0.63153 deg tp 2458606.010466840485 (2019-May-02.51046684) 0.42807 TDB period 340.5960639960355 0.93 0.45646 0.00125 d yr n 1.056970523312302 0.0014165 deg/d Q 1.401083767668721 0.0012518 au   Orbit Determination Parameters    # obs. used (total)      15      data-arc span      3 days      first obs. used      2019-09-05      last obs. used      2019-09-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      8      norm. resid. RMS      .43333      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 21:40:18   Additional Information  Earth MOID = .182325 au   Jupiter MOID = 3.56171 au   T_jup = 6.173  [ 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 23.6   .33137 MPO492694 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 19:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin