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26156 (1994 WT)
Classification: Main-belt Asteroid          SPK-ID: 2026156
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215222365543907 5.4825e-08  
a 2.521077508693602 9.5007e-09 au
q 1.962602780440824 1.3876e-07 au
i 5.578076812238232 4.7353e-06 deg
node 56.90035669560022 3.1236e-05 deg
peri 306.8805666875126 3.3159e-05 deg
M 224.5433520882465 1.3275e-05 deg
tp 2459750.642943941035
(2022-Jun-20.14294394)
5.4923e-05 TDB
period 1462.102177131963
4.00
8.2649e-06
2.263e-08
d
yr
n .2462208220674224 1.3918e-09 deg/d
Q 3.07955223694638 1.1605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1577  
   data-arc span      12219 days (33.45 yr)  
   first obs. used      1986-12-07  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:30:34  

Additional Information
 Earth MOID = .965383 au 
 Jupiter MOID = 2.39137 au 
 T_jup = 3.415 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456904.5 (2014-Sep-04.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2199498074456241 5.4302e-08  
q 1.967394478258833 1.3711e-07 au
tp 2456821.193125000376
(2014-Jun-12.69312500)
5.1773e-05 TDB
node 57.08495500990868 3.1306e-05 deg
peri 306.0653073564459 3.3269e-05 deg
i 5.571441616067028 4.727e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1577  
   data-arc span      12219 days (33.45 yr)  
   first obs. used      1986-12-07  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:30:34  

Additional Information
 Jupiter MOID = 2.39137 au 
 T_jup = 3.415 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.948692095554953E-15 -7.434460503826437E-15 2.007917880465403E-12 1.25260059292263E-16 3.408188859152805E-13 1.226262769907725E-15
q -7.434460503826437E-15 1.879950780768001E-14 -5.019488332908314E-12 1.247308146052728E-16 -8.4935449493359E-13 -2.941331017362077E-15
tp 2.007917880465403E-12 -5.019488332908314E-12 2.680437866914268E-9 -2.484734586518755E-12 5.772748341360257E-10 -2.010672962647783E-13
node 1.25260059292263E-16 1.247308146052728E-16 -2.484734586518755E-12 9.800957324049089E-10 -9.756164195931717E-10 -7.640043236183182E-12
peri 3.408188859152805E-13 -8.4935449493359E-13 5.772748341360257E-10 -9.756164195931717E-10 1.106806939176458E-9 7.431796555086384E-12
i 1.226262769907725E-15 -2.941331017362077E-15 -2.010672962647783E-13 -7.640043236183182E-12 7.431796555086384E-12 2.234406750600136E-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 14.63   n/a E2020-QM5  

26156 (1994 WT)          Discovered 1994-Nov-25 by Kobayashi, T. at Oizumi
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 WT = 1986 XW5 = 1998 XU30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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