+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 BA3) Classification: Apollo [NEO]          SPK-ID: 3797848 [ 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 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5279355696086805 0.00019189   a 2.080135429012057 0.00083495 au q .9819579464333796 5.0153e-06 au i 6.041412116119418 0.0015731 deg node 126.19925750 0.00015863 deg peri 9.737160176318383 0.00020777 deg M 278.5845387786592 0.16797 deg tp 2459248.322212599270 (2021-Feb-02.82221260) 0.66049 TDB period 1095.811473611745 3.00 0.65978 0.001806 d yr n .3285236636676711 0.0001978 deg/d Q 3.178312911590734 0.0012758 au   Orbit Determination Parameters    # obs. used (total)      62      data-arc span      9 days      first obs. used      2018-01-18      last obs. used      2018-01-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .28552      source      ORB      producer      Otto Matic      solution date      2018-Feb-26 06:22:12   Additional Information  Earth MOID = .00195704 au   Jupiter MOID = 1.87606 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 26.3   n/a MPO438050   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2020-Oct-27 08:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin