+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1927722355080825 4.4477e-08   a 2.355803222879115 1.2719e-08 au q 1.901669769187563 1.0613e-07 au i 6.99975096625149 5.8613e-06 deg node 17.36034761146466 3.6855e-05 deg peri 224.7493204086237 3.9912e-05 deg M 13.75122537356142 1.8702e-05 deg tp 2458950.051780454300 (2020-Apr-10.55178045) 6.8406e-05 TDB period 1320.708412747688 3.62 1.0695e-05 2.928e-08 d yr n .2725809849662671 2.2074e-09 deg/d Q 2.809936676570668 1.517e-08 au   Orbit Determination Parameters    # obs. used (total)      495      data-arc span      7980 days (21.85 yr)      first obs. used      1998-03-20      last obs. used      2020-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60054      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 01:11:12   Additional Information  Earth MOID = .897016 au   Jupiter MOID = 2.22574 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 15.9   n/a MPO432535   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 ] 2020-Oct-20 13:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin