+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2014 BX57) Classification: Apollo [NEO]          SPK-ID: 3660310 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3308344159975342 0.00038358   a 1.456797020121901 0.00083272 au q .9748384287429235 1.5827e-06 au i 4.72976037510329 0.0047485 deg node 316.91837281 0.0016936 deg peri 150.6134720366313 0.0018531 deg M 227.6941650157818 1.1164 deg tp 2459236.533415434839 (2021-Jan-22.03341543) 2.194 TDB period 642.2394716504956 1.76 0.55067 0.001508 d yr n .5605385777283878 0.00048062 deg/d Q 1.938755611500878 0.0011082 au   Orbit Determination Parameters    # obs. used (total)      35      data-arc span      6 days      first obs. used      2014-01-29      last obs. used      2014-02-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .65105      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:42:37   Additional Information  Earth MOID = .0130137 au   Jupiter MOID = 3.19702 au   T_jup = 4.567  [ 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 26.5   n/a MPO284139   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-03 03:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin