+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7571011351666629 1.4448e-07   a 1.866845215104908 2.2398e-06 au q .4534545835685292 3.1614e-07 au i 2.089875053674596 2.0322e-05 deg node 302.0443761140395 1.9241e-05 deg peri 106.0972546563977 6.7801e-05 deg M 101.8116827265041 0.00018064 deg tp 2458737.014932156260 (2019-Sep-10.51493216) 7.0428e-06 TDB period 931.6673871166022 2.55 0.0016767 4.591e-06 d yr n .3864039945781041 6.954e-07 deg/d Q 3.280235846641287 3.9356e-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 = .000309383 au   Jupiter MOID = 2.14012 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 ] 2020-Sep-30 16:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin