+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5223610912603663 0.0052042   a 2.054347876739074 0.024761 au q .9812364780172349 0.0011358 au i 6.141084503214527 0.016712 deg node 126.1089913291828 0.007473 deg peri 10.42579302036832 1.1109 deg M 49.46251429246106 0.37336 deg tp 2459248.731081030842 (2021-Feb-03.23108103) 1.5562 TDB period 1075.497507351848 2.94 19.445 0.05324 d yr n .3347288092618762 0.0060518 deg/d Q 3.127459275460914 0.037696 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 = .00235521 au   Jupiter MOID = 1.92418 au   T_jup = 3.598  [ 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-Jul-24 06:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin