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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904632233205722 4.5425e-08  
a 3.152750839115265 5.4727e-08 au
q 2.552267751970733 1.6048e-07 au
i 5.847961942142932 6.9826e-06 deg
node 70.6431091945467 5.248e-05 deg
peri 283.7214421063549 5.6652e-05 deg
M 268.4456013514489 2.3305e-05 deg
tp 2459120.507509581756
(2020-Sep-28.00750958)
0.00014151 TDB
period 2044.715559413429
5.60
5.324e-05
1.458e-07
d
yr
n .176063608624015 4.5843e-09 deg/d
Q 3.753233926259797 6.5151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7639 days (20.91 yr)  
   first obs. used      1998-09-20  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57558  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:56  

Additional Information
 Earth MOID = 1.55483 au 
 Jupiter MOID = 1.72388 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457496.5 (2016-Apr-18.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1934683218372766 4.5285e-08  
q 2.536123306461659 1.5902e-07 au
tp 2457083.138256731085
(2015-Mar-01.63825673)
0.00011013 TDB
node 70.66765290296345 5.2596e-05 deg
peri 284.1363758824103 5.6657e-05 deg
i 5.848408835463329 6.978e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7639 days (20.91 yr)  
   first obs. used      1998-09-20  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57558  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:56  

Additional Information
 Jupiter MOID = 1.72388 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.050750040140017E-15 -6.94529280611846E-15 -7.347472357701334E-13 1.04523835175861E-14 -1.185739070893648E-13 -7.42275028200728E-16
q -6.94529280611846E-15 2.528603657287448E-14 4.121867818538569E-12 -4.844874019721029E-14 7.719096524841127E-13 4.958895070635045E-15
tp -7.347472357701334E-13 4.121867818538569E-12 1.212765865196488E-8 -5.831918800117185E-11 2.346649774465852E-9 9.044812882356977E-12
node 1.04523835175861E-14 -4.844874019721029E-14 -5.831918800117185E-11 2.766388531660439E-9 -2.762526128270161E-9 8.220675012379442E-11
peri -1.185739070893648E-13 7.719096524841127E-13 2.346649774465852E-9 -2.762526128270161E-9 3.209971427304082E-9 -8.005506557402318E-11
i -7.42275028200728E-16 4.958895070635045E-15 9.044812882356977E-12 8.220675012379442E-11 -8.005506557402318E-11 4.869291654875115E-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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