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201345 (2002 TJ198)
Classification: Main-belt Asteroid          SPK-ID: 2201345
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2322637857429635 5.2322e-08  
a 3.049033450847125 2.5914e-08 au
q 2.34085339869644 1.5881e-07 au
i 15.44321160067122 6.4453e-06 deg
node 276.1776416328323 2.5115e-05 deg
peri 127.4546587199983 3.1613e-05 deg
M 85.45876522067519 1.7384e-05 deg
tp 2458538.868088287788
(2019-Feb-24.36808829)
9.2318e-05 TDB
period 1944.65117518677
5.32
2.4792e-05
6.788e-08
d
yr
n .1851231750935612 2.3601e-09 deg/d
Q 3.75721350299781 3.1933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      6454 days (17.67 yr)  
   first obs. used      2002-08-22  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 07:03:54  

Additional Information
 Earth MOID = 1.38606 au 
 Jupiter MOID = 1.77467 au 
 T_jup = 3.142 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457867.5 (2017-Apr-24.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .231708956208668 5.2201e-08  
q 2.341930469201909 1.581e-07 au
tp 2458539.387246230536
(2019-Feb-24.88724623)
9.2623e-05 TDB
node 276.1842995195762 2.5117e-05 deg
peri 127.5776789657424 3.1668e-05 deg
i 15.44245296748993 6.4447e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      6454 days (17.67 yr)  
   first obs. used      2002-08-22  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 07:03:54  

Additional Information
 Jupiter MOID = 1.77467 au 
 T_jup = 3.142 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.724944878523759E-15 -8.188557274743729E-15 -1.684727713682247E-12 -1.302736809112155E-14 -4.940837836094631E-13 -8.449251671347615E-15
q -8.188557274743729E-15 2.499500474975866E-14 5.549602168081732E-12 5.116606075005688E-14 1.537114231083782E-12 3.149470318820682E-14
tp -1.684727713682247E-12 5.549602168081732E-12 8.579081433880214E-9 3.546865791108998E-11 1.822285454255783E-9 1.615949578765572E-11
node -1.302736809112155E-14 5.116606075005688E-14 3.546865791108998E-11 6.308855969989614E-10 -5.997784498299937E-10 6.601644902554365E-11
peri -4.940837836094631E-13 1.537114231083782E-12 1.822285454255783E-9 -5.997784498299937E-10 1.002838084846208E-9 -6.012526399370482E-11
i -8.449251671347615E-15 3.149470318820682E-14 1.615949578765572E-11 6.601644902554365E-11 -6.012526399370482E-11 4.153465480013923E-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 15.2   n/a MPO281079  

201345 (2002 TJ198)          Discovered 2002-Oct-05 by LONEOS at Anderson Mesa
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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