   Instant of          05:38:03 TDT     JD = 2688148.73500 
Greatest Eclipse:    (=05:1:56 UT)

Gamma = 0.8932             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0324             Lunation No. = 8012 
     Eclipse Type = T                  Saros Series = 173 
                                                 ΔT = 2166.6 s

Lunar Radius   k1 = 0.272488 (Penumbra)        Shift in      Δb =  0.00"
 Constants:    k2 = 0.272281 (Umbra)       Lunar Position:   Δl =  0.00"


Polynomial Besselian Elements for:   2647 Oct 20    6.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.4404460  0.8046600 -10.1735697  0.5396310 -0.0064740 273.788116 
  1   0.5504573 -0.1528792 -0.0144630  0.0000800  0.0000796  15.003430 
  2  -0.0000174  0.0000243  0.0000020 -0.0000124 -0.0000124   0.000000 
  3  -0.0000088  0.0000024  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046797        tan f2 = 0.0046564 

At time t1 (decimal hours), each Besselian element is evaluated by:

a = a0 + a1*t + a2*t2 + a3*t3  

where: a = x, y, d, l1, l2, or μ; t = t1 - t0 (decimal hours), and t0 =   6.000 TDT.


Circumstances at Greatest Eclipse:  05:1:56 UT

Latitude:   50.5° N      Sun’s Altitude:    26.3°          Path Width = 243.2 km
Longitude: 122.8° E      Sun’s Azimuth:    204.3°    Central Duration = 02m27s 
