+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2019 FJ) Classification: Aten [NEO, PHA]          SPK-ID: 3840136 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6129067169939962 8.0686e-07   a .7621949542856036 8.3724e-08 au q .2950405471450253 5.9737e-07 au i 44.43656825145823 0.00017566 deg node 156.904890220925 0.00011204 deg peri 150.2056799425208 7.2564e-05 deg M 94.28267591374772 0.00012116 deg tp 2459136.845819640899 (2020-Oct-14.34581964) 7.2786e-05 TDB period 243.0510664572143 0.67 4.0047e-05 1.096e-07 d yr n 1.481170213517137 2.4405e-07 deg/d Q 1.229349361426182 1.3504e-07 au   Orbit Determination Parameters    # obs. used (total)      80      data-arc span      716 days (1.96 yr)      first obs. used      2019-03-18      last obs. used      2021-03-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .51563      source      ORB      producer      Otto Matic      solution date      2021-Mar-03 06:02:46   Additional Information  Earth MOID = .0188685 au   Jupiter MOID = 4.18418 au   T_jup = 7.259  [ 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 19.09   .22434 E2021-DA1 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-04 20:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin