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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304895181035935 4.5945e-08  
a 2.289158149452726 1.3604e-08 au
q 1.990447005667725 1.04e-07 au
i 6.251980715643794 5.0595e-06 deg
node 275.7700397728213 5.0383e-05 deg
peri 14.50155660042901 5.5438e-05 deg
M 107.6748726717037 2.1617e-05 deg
tp 2458622.123644983650
(2019-May-18.62364498)		 7.6203e-05 TDB
period 1265.062910463812
3.46		 1.1277e-05
3.087e-08		 d
yr
n .2845708280768524 2.5368e-09 deg/d
Q 2.587869293237726 1.5379e-08 au
   Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      2002-10-03  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:51:16  

Additional Information
 Earth MOID = .974808 au 
 Jupiter MOID = 2.56315 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

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