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266452 (2007 JT26)
Classification: Main-belt Asteroid          SPK-ID: 2266452
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 .04113256377308198 5.5112e-08  
a 3.077154930092015 4.5993e-08 au
q 2.950583658690352 1.6193e-07 au
i 11.02562887342452 6.0604e-06 deg
node 97.61319949450775 4.3679e-05 deg
peri 162.1968108192362 0.00011411 deg
M 132.7827638499029 0.00010766 deg
tp 2458273.286931953603
(2018-Jun-03.78693195)
0.00058536 TDB
period 1971.61662331895
5.40
4.4203e-05
1.21e-07
d
yr
n .1825912785184315 4.0937e-09 deg/d
Q 3.203726201493678 4.7885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      7352 days (20.13 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:47:23  

Additional Information
 Earth MOID = 1.93651 au 
 Jupiter MOID = 1.87886 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457148.5 (2015-May-06.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04348713357431725 5.4483e-08  
q 2.942676133489833 1.5999e-07 au
tp 2456315.688917751223
(2013-Jan-23.18891775)
0.00055121 TDB
node 97.76204016705242 4.3752e-05 deg
peri 164.7201451524828 0.00010998 deg
i 11.01755074215381 6.0575e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      7352 days (20.13 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:47:23  

Additional Information
 Jupiter MOID = 1.87886 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.968450116783076E-15 -8.413063362677184E-15 -2.973287592940603E-15 -5.209734513379538E-15 2.479125762837456E-14 6.084019731863913E-16
q -8.413063362677184E-15 2.559630092843617E-14 3.623404102004394E-12 1.467835937463196E-14 7.030928889666539E-13 1.464531717819372E-15
tp -2.973287592940603E-15 3.623404102004394E-12 3.038374039782506E-7 -9.411750876831105E-11 5.572117499869307E-8 -8.773952648296627E-13
node -5.209734513379538E-15 1.467835937463196E-14 -9.411750876831105E-11 1.914242576295995E-9 -1.896356359827863E-9 3.315894828004935E-11
peri 2.479125762837456E-14 7.030928889666539E-13 5.572117499869307E-8 -1.896356359827863E-9 1.209503427282519E-8 -3.257940138281823E-11
i 6.084019731863913E-16 1.464531717819372E-15 -8.773952648296627E-13 3.315894828004935E-11 -3.257940138281823E-11 3.669343905176834E-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 MPO494440  
diameter diameter 5.040 km 0.673 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266452 (2007 JT26)          Discovered 2007-May-09 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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