+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5280132244966538 0.00019205   a 2.080442730998968 0.00083681 au q .9819414562235782 4.5914e-06 au i 6.041555211811508 0.0015511 deg node 126.1947981947964 0.00034974 deg peri 9.735883786431268 0.00019874 deg M 344.3156618694151 0.20734 deg tp 2459248.252462319469 (2021-Feb-02.75246232) 0.66009 TDB period 1096.054311752305 3.00 0.66129 0.001811 d yr n .3284508770595993 0.00019817 deg/d Q 3.178944005774357 0.0012786 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.      DE441      SB-pert. ephem.      SB441-N16      condition code      7      norm. resid. RMS      .28649      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 20:20:19   Additional Information  Earth MOID = .00186329 au   Jupiter MOID = 1.875 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 ] 2021-May-16 04:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin