+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100782 (1998 FC57) Classification: Main-belt Asteroid          SPK-ID: 2100782 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1911419939822908 4.1386e-08   a 2.264468099953663 9.0963e-09 au q 1.83163315201923 9.4727e-08 au i 8.029071389773858 4.4439e-06 deg node 180.0421027499092 2.7033e-05 deg peri 1.927605075996733 2.895e-05 deg M 242.6610807235961 1.2039e-05 deg tp 2459606.183477795605 (2022-Jan-26.68347780) 4.3242e-05 TDB period 1244.651415805112 3.41 7.4996e-06 2.053e-08 d yr n .2892376093648127 1.7428e-09 deg/d Q 2.697303047888095 1.0835e-08 au   Orbit Determination Parameters    # obs. used (total)      705      data-arc span      8337 days (22.83 yr)      first obs. used      1998-03-20      last obs. used      2021-01-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55401      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:33:44   Additional Information  Earth MOID = .834 au   Jupiter MOID = 2.25966 au   T_jup = 3.580  [ hide covariance matrix ] Orbital Elements at Epoch 2457682.5 (2016-Oct-21.0) TDB Reference: JPL 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1906500431103735 4.1481e-08   q 1.833327033382115 9.4929e-08 au tp 2457116.517983748756 (2015-Apr-04.01798375) 3.4966e-05 TDB node 180.0854347468047 2.7025e-05 deg peri 1.977476189062548 2.8946e-05 deg i 8.029023176775196 4.4444e-06 deg   Orbit Determination Parameters    # obs. used (total)      705      data-arc span      8337 days (22.83 yr)      first obs. used      1998-03-20      last obs. used      2021-01-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55401      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:33:44   Additional Information  Jupiter MOID = 2.25966 au   T_jup = 3.580  Orbit Covariance (6×6)   e q tp node peri i e 1.720709364516206E-15 -3.925977053284935E-15 1.969065064818322E-14 -1.34498488732621E-14 3.602821813008452E-14 1.344378236536563E-15 q -3.925977053284935E-15 9.011510220522315E-15 5.985719557500453E-14 2.923367785468038E-14 -4.854613195609015E-14 -3.10710584436266E-15 tp 1.969065064818322E-14 5.985719557500453E-14 1.222619435052911E-9 -1.088747042965646E-11 3.745426046915447E-10 -1.530968228571221E-12 node -1.34498488732621E-14 2.923367785468038E-14 -1.088747042965646E-11 7.303576382342542E-10 -7.255559041039661E-10 1.771716246393348E-11 peri 3.602821813008452E-14 -4.854613195609015E-14 3.745426046915447E-10 -7.255559041039661E-10 8.378802652248141E-10 -1.790506937217266E-11 i 1.344378236536563E-15 -3.10710584436266E-15 -1.530968228571221E-12 1.771716246393348E-11 -1.790506937217266E-11 1.975264811745498E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.0   n/a MPO436469   100782 (1998 FC57)          Discovered 1998-Mar-20 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 FC57 = 2003 UV187  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 09:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin