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154531 (2003 FD117)
Classification: Main-belt Asteroid          SPK-ID: 2154531
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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.arcLast Updated: 2007-04-04

Alternate Designations
 2003 FD117 = 2003 GE13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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