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226172 (2002 TJ71)
Classification: Main-belt Asteroid          SPK-ID: 2226172
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303756831522359 4.5615e-08  
a 2.289571090951255 1.2461e-08 au
q 1.991066695842875 1.0257e-07 au
i 6.251573650193529 5.0464e-06 deg
node 275.7714303744196 4.2398e-05 deg
peri 14.56959048091611 4.5991e-05 deg
M 164.5053830151342 1.8451e-05 deg
tp 2458622.261187358486
(2019-May-18.76118736)		 6.3905e-05 TDB
period 1265.405233163672
3.46		 1.033e-05
2.828e-08		 d
yr
n .2844938447899055 2.3224e-09 deg/d
Q 2.588075486059635 1.4085e-08 au
   Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      6682 days (18.29 yr)  
   first obs. used      2002-10-03  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:34:46  

Additional Information
 Earth MOID = .973495 au 
 Jupiter MOID = 2.56226 au 
 T_jup = 3.580 
[ 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 16.5   n/a MPO494239  

226172 (2002 TJ71)          Discovered 2002-Oct-03 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Alternate Designations
 2002 TJ71 = 2005 LY11 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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