+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2019 OK) Classification: Apollo [NEO]          SPK-ID: 3843336 [ 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 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7571277125602639 1.4497e-07   a 1.866738965001422 2.2386e-06 au q .4533791624827808 3.1477e-07 au i 2.089877137799079 2.0322e-05 deg node 302.0424016525741 1.9226e-05 deg peri 106.0933148521632 6.7802e-05 deg M 179.1184235564054 0.00031971 deg tp 2458736.987368920056 (2019-Sep-10.48736892) 6.7923e-06 TDB period 931.5878505162996 2.55 0.0016758 4.588e-06 d yr n .3864369847679773 6.9513e-07 deg/d Q 3.280098767520062 3.9335e-06 au   Orbit Determination Parameters    # obs. used (total)      53      # delay obs. used      2      # Doppler obs. used      1      data-arc span      884 days (2.42 yr)      first obs. used      2017-02-21      last obs. used      2019-07-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      1      norm. resid. RMS      .51523      source      ORB      producer      Otto Matic      solution date      2019-Aug-02 07:00:18   Additional Information  Earth MOID = .000381434 au   Jupiter MOID = 2.14135 au   T_jup = 3.569  [ 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 23.3   .26377 MPO473725 autocmod 2.6q [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-05 17:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin