+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2021 BQ1) Classification: Apollo [NEO]          SPK-ID: 54106531 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459233.5 (2021-Jan-19.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5153992597414844 0.000809   a 2.038165321493962 0.003413 au q .9876964235652095 9.9392e-06 au i 6.337393226401759 0.0073779 deg node 118.2871699481959 0.00011569 deg peri 14.92481051459175 0.0065853 deg M 356.0936271224965 0.01017 deg tp 2459245.032639962389 (2021-Jan-30.53263996) 0.0047744 TDB period 1062.814666354481 2.91 2.6696 0.007309 d yr n .3387232143068008 0.00085081 deg/d Q 3.088634219422714 0.005172 au   Orbit Determination Parameters    # obs. used (total)      25      data-arc span      1 day      first obs. used      2021-01-18      last obs. used      2021-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      8      norm. resid. RMS      .33821      source      ORB      producer      Otto Matic      solution date      2021-Jan-19 07:12:06   Additional Information  Earth MOID = .012259 au   Jupiter MOID = 1.97536 au   T_jup = 3.619  [ 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 27.9   .3098 E2021B84 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-13 16:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin