+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2021 BO) Classification: Apollo [NEO]          SPK-ID: 54106298 [ 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 3 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1632315252818714 1.5245e-05   a 1.011654859582956 3.4281e-06 au q .8465208937944131 1.2683e-05 au i 2.059870443182739 0.00016591 deg node 297.8983262843394 2.2243e-05 deg peri 270.1490756844372 0.00071566 deg M 257.4158462957656 0.001317 deg tp 2459306.407023917293 (2021-Apr-01.90702392) 0.00082153 TDB period 371.660994739501 1.02 0.0018891 5.172e-06 d yr n .9686246474487475 4.9235e-06 deg/d Q 1.1767888253715 3.9877e-06 au   Orbit Determination Parameters    # obs. used (total)      40      data-arc span      1 day      first obs. used      2021-01-17      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      4      norm. resid. RMS      .32306      source      ORB      producer      Otto Matic      solution date      2021-Jan-21 05:19:42   Additional Information  Earth MOID = .00024129 au   Jupiter MOID = 3.78319 au   T_jup = 6.013  [ 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 32.95   .35204 E2021-BB0 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-13 17:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin