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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608897720960824 4.3239e-08  
a 2.559771383918293 1.3358e-08 au
q 2.147930349341606 1.1097e-07 au
i 7.845598231279881 5.0706e-06 deg
node 15.68416106286388 3.742e-05 deg
peri 187.1140614684541 4.2199e-05 deg
M 118.0898616989818 2.0538e-05 deg
tp 2458709.806494873000
(2019-Aug-14.30649487)
8.3298e-05 TDB
period 1495.891851376799
4.10
1.1709e-05
3.206e-08
d
yr
n .2406591089246597 1.8837e-09 deg/d
Q 2.971612418494981 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58521  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:35:26  

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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598686734820301 4.3328e-08  
q 2.150173478973325 1.1106e-07 au
tp 2457212.344362514017
(2015-Jul-08.84436251)
7.8164e-05 TDB
node 15.7877002286914 3.7426e-05 deg
peri 186.781646420739 4.2235e-05 deg
i 7.84502236492805 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58521  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:35:26  

Additional Information
 Jupiter MOID = 1.98782 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.877317929817616E-15 -4.787747702965519E-15 -1.637255107488584E-12 -2.780659770455426E-14 -4.028044401159808E-13 9.968520254871708E-16
q -4.787747702965519E-15 1.233477198416041E-14 4.551251432217068E-12 7.560841189379121E-14 1.119557448645878E-12 -3.065010755461265E-15
tp -1.637255107488584E-12 4.551251432217068E-12 6.109636933941854E-9 4.962658991095812E-11 1.563728273490717E-9 -4.781386839225445E-12
node -2.780659770455426E-14 7.560841189379121E-14 4.962658991095812E-11 1.400714629316328E-9 -1.374033289197289E-9 -9.3331347664648E-11
peri -4.028044401159808E-13 1.119557448645878E-12 1.563728273490717E-9 -1.374033289197289E-9 1.783809322378218E-9 9.122973775564031E-11
i 9.968520254871708E-16 -3.065010755461265E-15 -4.781386839225445E-12 -9.3331347664648E-11 9.122973775564031E-11 2.567097558760223E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1952-Feb-03 23:06 00:01 Jupiter 1.96776466624484 1.9677643034231 1.96776502906713 2.81395535751144 2.65658551016843 2434046.462425608 1.34646067141595 164.740442151072 15.5983599215259 -88.5677295420832 2431698.79976999 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 00:35:27 2021-Apr-14 00:35
2070-Sep-02 19:48 00:01 Jupiter 1.96742614235896 1.96742577882776 1.96742650589184 2.81507305442762 2.65774152066267 2477357.324866151 1.12944931549694 152.212429959622 12.3846520229 -86.9521380708983 2449374.3617676 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 00:35:27 2021-Apr-14 00:35
2189-Apr-03 14:27 00:04 Jupiter 1.96907631283292 1.96907590328297 1.96907672239159 2.82164810144699 2.66484019991048 2520669.102031616 3.57793782702175 369.178195723277 15.2486063319309 -89.8759053070605 2494253.78363397 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 00:35:27 2021-Apr-14 00:35

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