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226344 (2003 FX121)
Classification: Main-belt Asteroid          SPK-ID: 2226344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603730515347862 6.2515e-08  
a 2.560973064907071 1.6071e-08 au
q 2.15026199958953 1.6582e-07 au
i 7.84204741251433 6.3506e-06 deg
node 15.73483319383138 3.7913e-05 deg
peri 187.2236995179147 4.2962e-05 deg
M 69.86034364124251 2.248e-05 deg
tp 2458710.008011214768
(2019-Aug-14.50801121)
9.1772e-05 TDB
period 1496.945341404614
4.10
1.4091e-05
3.858e-08
d
yr
n .2404897427064402 2.2637e-09 deg/d
Q 2.971684130224612 1.8648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      7289 days (19.96 yr)  
   first obs. used      1999-05-13  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:52:44  

Additional Information
 Earth MOID = 1.14742 au 
 Jupiter MOID = 1.98896 au 
 T_jup = 3.404 
[ 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 16.2   n/a MPO470423  

226344 (2003 FX121)          Discovered 2003-Mar-25 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 FX121 = 1999 JJ109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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