+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   154531 (2003 FD117) Classification: Main-belt Asteroid          SPK-ID: 2154531 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .156887906900091 3.6679e-08   a 2.63383055412689 1.6638e-08 au q 2.220614391360415 1.002e-07 au i 10.95909913112138 5.7235e-06 deg node 53.74228660810783 2.2749e-05 deg peri 225.9041990094867 3.0855e-05 deg M 308.6499078095767 2.1805e-05 deg tp 2459223.199325117653 (2021-Jan-08.69932512) 9.4789e-05 TDB period 1561.277762560805 4.27 1.4794e-05 4.05e-08 d yr n .2305803673329266 2.1848e-09 deg/d Q 3.047046716893365 1.9248e-08 au   Orbit Determination Parameters    # obs. used (total)      510      data-arc span      7667 days (20.99 yr)      first obs. used      1999-06-15      last obs. used      2020-06-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56627      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 02:58:48   Additional Information  Earth MOID = 1.21988 au   Jupiter MOID = 2.09964 au   T_jup = 3.355  [ hide covariance matrix ] Orbital Elements at Epoch 2457671.5 (2016-Oct-10.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1561426071974118 3.6759e-08   q 2.22306080517989 1.0038e-07 au tp 2457660.298352483340 (2016-Sep-28.79835248) 9.4583e-05 TDB node 53.75545124610381 2.2745e-05 deg peri 225.6810387737837 3.0909e-05 deg i 10.95902570502306 5.7235e-06 deg   Orbit Determination Parameters    # obs. used (total)      510      data-arc span      7667 days (20.99 yr)      first obs. used      1999-06-15      last obs. used      2020-06-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56627      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 02:58:48   Additional Information  Jupiter MOID = 2.09964 au   T_jup = 3.355  Orbit Covariance (6×6)   e q tp node peri i e 1.351248681120076E-15 -3.654992378470402E-15 -1.384876848026601E-12 -6.877391312319356E-15 -2.822806878275772E-13 2.864788284742684E-15 q -3.654992378470402E-15 1.007707089193837E-14 3.598146272812402E-12 2.051105219243254E-14 7.297380412686897E-13 -7.5225528361566E-15 tp -1.384876848026601E-12 3.598146272812402E-12 8.945991369140629E-9 -1.240797950306296E-11 1.999857466152241E-9 1.70235717334978E-12 node -6.877391312319356E-15 2.051105219243254E-14 -1.240797950306296E-11 5.173448137910805E-10 -5.10257317807039E-10 -5.517296166528513E-11 peri -2.822806878275772E-13 7.297380412686897E-13 1.999857466152241E-9 -5.10257317807039E-10 9.553523666781091E-10 5.459484950616889E-11 i 2.864788284742684E-15 -7.5225528361566E-15 1.70235717334978E-12 -5.517296166528513E-11 5.459484950616889E-11 3.275860195740173E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.5   n/a MPO436782   154531 (2003 FD117)          Discovered 2003-Mar-24 by Spacewatch at Kitt Peak Reference: 20070402/Numbers.arc Last Updated: 2007-04-04 Alternate Designations  2003 FD117 = 2003 GE13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-30 10:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin