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226881 (2004 TF122)
Classification: Main-belt Asteroid          SPK-ID: 2226881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088090534344373 6.7908e-08  
a 3.145669204417017 4.125e-08 au
q 2.803391915866542 2.2578e-07 au
i 10.90606484315326 7.193e-06 deg
node 184.4692932486448 2.6624e-05 deg
peri 189.5403459825746 3.4888e-05 deg
M 298.7826878339534 2.4863e-05 deg
tp 2459347.029138992200
(2021-May-12.52913899)
0.00014386 TDB
period 2037.83024153065
5.58
4.0083e-05
1.097e-07
d
yr
n .1766584834512994 3.4748e-09 deg/d
Q 3.487946492967492 4.5738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      5407 days (14.80 yr)  
   first obs. used      2004-09-09  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:59:48  

Additional Information
 Earth MOID = 1.80426 au 
 Jupiter MOID = 1.9753 au 
 T_jup = 3.172 
[ 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 15.6   n/a MPO475856  

226881 (2004 TF122)          Discovered 2004-Oct-07 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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