+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08836712862608261 5.3077e-08   a 2.473440532420086 1.4408e-08 au q 2.254869694742754 1.3657e-07 au i 6.571863941051054 5.3363e-06 deg node 169.2286815198701 3.6308e-05 deg peri 10.26678648569248 4.5834e-05 deg M 261.1267664105232 3.2206e-05 deg tp 2459390.735588847494 (2021-Jun-25.23558885) 0.00012903 TDB period 1420.857869060832 3.89 1.2415e-05 3.399e-08 d yr n .253368058719311 2.2138e-09 deg/d Q 2.692011370097418 1.5681e-08 au   Orbit Determination Parameters    # obs. used (total)      570      data-arc span      9452 days (25.88 yr)      first obs. used      1994-03-12      last obs. used      2020-01-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62184      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 06:23:13   Additional Information  Earth MOID = 1.25875 au   Jupiter MOID = 2.26622 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 ] 2020-Oct-25 23:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin