+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2021 BM) Classification: Apollo [NEO]          SPK-ID: 54106296 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1806493256493669 5.9459e-06   a 1.190796238843722 8.1222e-06 au q .9756797013108015 4.2821e-07 au i 1.388225071563099 3.2501e-05 deg node 177.1894093447167 0.00030138 deg peri 340.6905032778201 0.00025585 deg M 95.01315880157723 0.0011026 deg tp 2459271.233234316015 (2021-Feb-25.73323432) 0.00017799 TDB period 474.6293693951598 1.30 0.004856 1.33e-05 d yr n .7584865649143524 7.7603e-06 deg/d Q 1.405912776376643 9.5895e-06 au   Orbit Determination Parameters    # obs. used (total)      79      data-arc span      169 days      first obs. used      2020-12-14      last obs. used      2021-06-01      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      4      norm. resid. RMS      .37921      source      ORB      producer      Otto Matic      solution date      2021-Jun-01 05:50:46   Additional Information  Earth MOID = .00473124 au   Jupiter MOID = 3.57052 au   T_jup = 5.310  [ 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 25.31   .34159 MPO624182 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Aug-05 13:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin