+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120798 (1998 FO63) Classification: Main-belt Asteroid          SPK-ID: 2120798 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08828755130089566 5.2556e-08   a 2.473724238751104 1.3018e-08 au q 2.255325183118097 1.3597e-07 au i 6.572021879917934 5.0204e-06 deg node 169.2224436631521 3.4565e-05 deg peri 10.18676319951464 4.2065e-05 deg M 311.8707238917134 2.6927e-05 deg tp 2459390.490629876042 (2021-Jun-24.99062988) 0.00010694 TDB period 1421.102336995239 3.89 1.1218e-05 3.071e-08 d yr n .2533244725789273 1.9996e-09 deg/d Q 2.69212329438411 1.4167e-08 au   Orbit Determination Parameters    # obs. used (total)      617      data-arc span      9809 days (26.86 yr)      first obs. used      1994-03-12      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60529      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:37:25   Additional Information  Earth MOID = 1.25875 au   Jupiter MOID = 2.26511 au   T_jup = 3.468  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.8   n/a MPO453678   120798 (1998 FO63)          Discovered 1998-Mar-20 by LINEAR at Socorro Reference: 20060314/Numbers.arc Last Updated: 2006-03-23 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-01 17:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin