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226171 (2002 TF71)
Classification: Main-belt Asteroid          SPK-ID: 2226171
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .239165852500853 3.683e-08  
a 2.256678881230342 9.1409e-09 au
q 1.716958352780217 8.1363e-08 au
i 6.925930959469083 3.6659e-06 deg
node 291.549338458969 4.2756e-05 deg
peri 30.05267562318906 4.3711e-05 deg
M 109.6338680745463 1.0255e-05 deg
tp 2458623.409744239268
(2019-May-19.90974424)
3.4318e-05 TDB
period 1238.234994879116
3.39
7.5234e-06
2.06e-08
d
yr
n .290736412303664 1.7665e-09 deg/d
Q 2.796399409680468 1.1327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      6377 days (17.46 yr)  
   first obs. used      2002-08-10  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:51:16  

Additional Information
 Earth MOID = .70801 au 
 Jupiter MOID = 2.53152 au 
 T_jup = 3.575 
[ 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 16.4   n/a MPO503109  

226171 (2002 TF71)          Discovered 2002-Oct-03 by NEAT at Palomar
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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