+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100787 (1998 FW70) Classification: Main-belt Asteroid          SPK-ID: 2100787 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .192981192851392 4.362e-08   a 2.355730424815138 1.2414e-08 au q 1.901118757397997 1.0367e-07 au i 7.000610348578702 5.7622e-06 deg node 17.33331849382517 3.6719e-05 deg peri 224.7011105832694 3.9461e-05 deg M 68.31069669033533 1.7388e-05 deg tp 2458949.904638920078 (2020-Apr-10.40463892) 6.2865e-05 TDB period 1320.647195236927 3.62 1.0439e-05 2.858e-08 d yr n .272593620232855 2.1547e-09 deg/d Q 2.81034209223228 1.481e-08 au   Orbit Determination Parameters    # obs. used (total)      511      data-arc span      8119 days (22.23 yr)      first obs. used      1998-03-20      last obs. used      2020-06-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59222      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:04:14   Additional Information  Earth MOID = .895092 au   Jupiter MOID = 2.22407 au   T_jup = 3.519  [ 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 15.94   n/a E2021B55   100787 (1998 FW70)          Discovered 1998-Mar-20 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-09 03:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin