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216521 (2001 FX109)
Classification: Main-belt Asteroid          SPK-ID: 2216521
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582563500880367 4.1362e-08  
a 2.455004544068156 1.1011e-08 au
q 2.066484485474385 1.0393e-07 au
i 5.038357783837782 4.2544e-06 deg
node 31.53477478020659 6.4337e-05 deg
peri 199.5982249350199 6.7218e-05 deg
M 14.77899731616951 2.1939e-05 deg
tp 2459142.820784238933
(2020-Oct-20.32078424)
8.5445e-05 TDB
period 1405.001789347777
3.85
9.4521e-06
2.588e-08
d
yr
n .2562274316868431 1.7238e-09 deg/d
Q 2.843524602661928 1.2753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      7018 days (19.21 yr)  
   first obs. used      2001-03-03  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56231  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:09  

Additional Information
 Earth MOID = 1.05566 au 
 Jupiter MOID = 2.14817 au 
 T_jup = 3.471 
[ show covariance matrix ]

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 16.16   n/a E2021B55  

216521 (2001 FX109)          Discovered 2001-Mar-18 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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