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469506 (2003 FF128)
Classification: TransNeptunian Object          SPK-ID: 2469506
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215157843333689 3.5395e-05  
a 39.8411197175408 0.0023676 au
q 31.01568283459011 0.00046987 au
i 1.910559145681207 7.8197e-05 deg
node 91.74277496869783 0.0017176 deg
peri 170.5560588996065 0.0052531 deg
M 352.0713116709102 0.0036515 deg
tp 2461023.493912281724
(2025-Dec-13.99391228)
0.76773 TDB
period 91853.50441250455
251.48
8.1879
0.02242
d
yr
n .00391928432456183 3.4937e-07 deg/d
Q 48.6665566004915 0.0028921 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5171 days (14.16 yr)  
   first obs. used      2003-03-31  
   last obs. used      2017-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .30562  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 16:49:13  

Additional Information
 Earth MOID = 30.0002 au 
 Jupiter MOID = 25.719 au 
 T_jup = 5.524 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456727.5 (2014-Mar-11.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134694538132551 3.5391e-05  
q 31.0372165747182 0.00046573 au
tp 2460943.442715683839
(2025-Sep-24.94271568)
0.78955 TDB
node 91.71324541920919 0.001719 deg
peri 169.9984600294922 0.0053583 deg
i 1.912063776839575 7.8408e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5171 days (14.16 yr)  
   first obs. used      2003-03-31  
   last obs. used      2017-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .30562  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 16:49:13  

Additional Information
 Jupiter MOID = 25.719 au 
 T_jup = 5.524 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.252537081698001E-9 1.480223877475609E-8 -2.315280812966708E-5 -2.006593842887619E-10 -1.467811879148642E-7 2.126141554442755E-11
q 1.480223877475609E-8 2.169022902879541E-7 -.000362573660720716 -1.798466449642255E-9 -2.325110747501251E-6 2.418080650559468E-10
tp -2.315280812966708E-5 -.000362573660720716 .6233869500054334 2.420313198012966E-6 .004006312443650308 -3.676260931033976E-7
node -2.006593842887619E-10 -1.798466449642255E-9 2.420313198012966E-6 2.95480463704309E-6 -2.938115383829961E-6 -1.3257400052726E-7
peri -1.467811879148642E-7 -2.325110747501251E-6 .004006312443650308 -2.938115383829961E-6 2.871143802354759E-5 1.301704208455232E-7
i 2.126141554442755E-11 2.418080650559468E-10 -3.676260931033976E-7 -1.3257400052726E-7 1.301704208455232E-7 6.147851937622438E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.7   n/a MPO440883  

469506 (2003 FF128)          Discovered 2003-Mar-31 by Buie, M. W. at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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