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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160889772780862 4.3239e-08  
a 2.559771389881194 1.3358e-08 au
q 2.147930352592258 1.1097e-07 au
i 7.845598201763858 5.0706e-06 deg
node 15.68416088122498 3.742e-05 deg
peri 187.1140620846632 4.2199e-05 deg
M 118.0898606586521 2.0538e-05 deg
tp 2458709.806497481254
(2019-Aug-14.30649748)
8.3298e-05 TDB
period 1495.891856603744
4.10
1.1709e-05
3.206e-08
d
yr
n .2406591080837487 1.8837e-09 deg/d
Q 2.971612427170131 1.5507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:33:19  

Additional Information
 Earth MOID = 1.14432 au 
 Jupiter MOID = 1.98782 au 
 T_jup = 3.404 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457309.5 (2015-Oct-14.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598686774037095 4.3328e-08  
q 2.150173466153679 1.1106e-07 au
tp 2457212.344358035064
(2015-Jul-08.84435803)
7.8164e-05 TDB
node 15.78770023790591 3.7426e-05 deg
peri 186.7816457515926 4.2235e-05 deg
i 7.84502238762919 5.0667e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:33:19  

Additional Information
 Jupiter MOID = 1.98782 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.877318536317084E-15 -4.787749576356275E-15 -1.637255474120664E-12 -2.780610266465107E-14 -4.028049182249563E-13 9.9681419421419E-16
q -4.787749576356275E-15 1.233477780773331E-14 4.55125279063318E-12 7.560703331696058E-14 1.119558947834838E-12 -3.064903883226276E-15
tp -1.637255474120664E-12 4.55125279063318E-12 6.109635976289243E-9 4.962613876063306E-11 1.563728395708899E-9 -4.78133952527204E-12
node -2.780610266465107E-14 7.560703331696058E-14 4.962613876063306E-11 1.400714549375812E-9 -1.37403328437884E-9 -9.333133580413654E-11
peri -4.028049182249563E-13 1.119558947834838E-12 1.563728395708899E-9 -1.37403328437884E-9 1.783809303897927E-9 9.122973571926043E-11
i 9.9681419421419E-16 -3.064903883226276E-15 -4.78133952527204E-12 -9.333133580413654E-11 9.122973571926043E-11 2.567097376397268E-11

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 16.24   n/a E2021B55  

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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