+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2016 FF12) Classification: Apollo [NEO]          SPK-ID: 3748365 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2457476.5 (2016-Mar-29.0) TDB Reference: JPL 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4227149707181191 0.00067877   a 1.158537198215909 0.0008462 au q .6688061803962195 0.00029808 au i 15.240391337669 0.0278 deg node 6.34132444779627 0.00071534 deg peri 75.2555328312767 0.014716 deg M 56.72443650468783 0.096222 deg tp 2457404.731959226802 (2016-Jan-17.23195923) 0.043121 TDB period 455.4738005412552 1.25 0.49902 0.001366 d yr n .7903857468249538 0.00086595 deg/d Q 1.648268216035599 0.0012039 au   Orbit Determination Parameters    # obs. used (total)      43      data-arc span      4 days      first obs. used      2016-03-27      last obs. used      2016-03-31      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      8      norm. resid. RMS      .65306      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 16:46:46   Additional Information  Earth MOID = .0343681 au   Jupiter MOID = 3.68805 au   T_jup = 5.317  [ 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 26.2   n/a MPO374660   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 21:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin