+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2019 NG2) Classification: Aten [NEO]          SPK-ID: 3843136 [ 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 3 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5653476985063732 0.00060885   a .7882812588218828 4.7453e-05 au q .3426282633712247 0.00050057 au i 8.769729057225314 0.018385 deg node 105.8449372555157 0.0039374 deg peri 339.6830024963757 0.0014269 deg M 264.7918247037946 0.13036 deg tp 2459268.107047502312 (2021-Feb-22.60704750) 0.09867 TDB period 255.6349496785546 0.70 0.023083 6.32e-05 d yr n 1.408258144876818 0.00012716 deg/d Q 1.233934254272541 7.4281e-05 au   Orbit Determination Parameters    # obs. used (total)      25      data-arc span      12 days      first obs. used      2019-06-28      last obs. used      2019-07-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      6      norm. resid. RMS      .44694      source      ORB      producer      Otto Matic      solution date      2020-Sep-11 07:43:32   Additional Information  Earth MOID = .0337012 au   Jupiter MOID = 3.99852 au   T_jup = 7.235  [ 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 24.0   .36122 MPO473711 autocmod 2.6q [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-04 20:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin