+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2021 BQ) Classification: Apollo [NEO]          SPK-ID: 54106299 [ 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 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5892198249918714 0.00061556   a 2.443809258059168 0.0037058 au q 1.00386839471203 1.7978e-05 au i 4.515439548554416 0.0034537 deg node 300.8902988740898 6.1476e-05 deg peri 187.2967524390677 0.0015656 deg M 349.4279098790851 0.023978 deg tp 2459241.478658906187 (2021-Jan-26.97865891) 0.00029123 TDB period 1395.402142575623 3.82 3.174 0.00869 d yr n .2579901442142798 0.00058683 deg/d Q 3.883750121406305 0.0058894 au   Orbit Determination Parameters    # obs. used (total)      63      data-arc span      9 days      first obs. used      2021-01-17      last obs. used      2021-01-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .37025      source      ORB      producer      Otto Matic      solution date      2021-Mar-06 06:16:14   Additional Information  Earth MOID = .0206568 au   Jupiter MOID = 1.20522 au   T_jup = 3.233  [ 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 26.40   .44423 E2021D69 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-13 18:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin