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266823 (2009 TJ26)
Classification: Main-belt Asteroid          SPK-ID: 2266823
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1887306519691538 4.31e-08  
a 3.150073672631477 3.0652e-08 au
q 2.555558214644872 1.3936e-07 au
i 5.841670505111108 4.3904e-06 deg
node 70.61434200204718 4.901e-05 deg
peri 283.7435163805656 5.1196e-05 deg
M 338.7452074131943 1.2013e-05 deg
tp 2459121.068501680023
(2020-Sep-28.56850168)
6.7905e-05 TDB
period 2042.111699163439
5.59
2.9807e-05
8.161e-08
d
yr
n .1762881041950231 2.5731e-09 deg/d
Q 3.744589130618083 3.6437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      8066 days (22.08 yr)  
   first obs. used      1998-09-20  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:23:15  

Additional Information
 Earth MOID = 1.55897 au 
 Jupiter MOID = 1.73561 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458038.5 (2017-Oct-12.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928375657327757 4.3019e-08  
q 2.538912108187191 1.3976e-07 au
tp 2457082.402104909470
(2015-Feb-28.90210491)
7.5314e-05 TDB
node 70.65565418428038 4.9004e-05 deg
peri 284.1373004054578 5.1095e-05 deg
i 5.848144112516206 4.3914e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      8066 days (22.08 yr)  
   first obs. used      1998-09-20  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:23:15  

Additional Information
 Jupiter MOID = 1.73561 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.850625912961619E-15 -5.919725496234267E-15 2.569256488970825E-13 -5.00543820289055E-15 8.471052165586796E-14 -3.991841101070215E-15
q -5.919725496234267E-15 1.95326598510722E-14 -1.75175722451903E-12 1.974311062924928E-14 -3.949175202933501E-13 1.286451403657442E-14
tp 2.569256488970825E-13 -1.75175722451903E-12 5.672182501291217E-9 -1.876211606758049E-11 1.105717490295941E-9 1.020126545068144E-12
node -5.00543820289055E-15 1.974311062924928E-14 -1.876211606758049E-11 2.401430545110256E-9 -2.392176500961359E-9 1.18420684597002E-11
peri 8.471052165586796E-14 -3.949175202933501E-13 1.105717490295941E-9 -2.392176500961359E-9 2.610747625741829E-9 -1.159617729407113E-11
i -3.991841101070215E-15 1.286451403657442E-14 1.020126545068144E-12 1.18420684597002E-11 -1.159617729407113E-11 1.928458827379956E-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 15.8   n/a MPO440312  

266823 (2009 TJ26)          Discovered 2009-Oct-14 by La Sagra at La Sagra
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 TJ26 = 1998 SP64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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