   Instant of          21:34:09 TDT     JD = 2198177.39900 
Greatest Eclipse:    (=21:26:15 UT)

Gamma = 0.9745             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9872             Lunation No. = -8580 
     Eclipse Type = A                  Saros Series = 98 
                                                 ΔT = 473.9 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:   1306 Apr 13   22.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.0250670  1.0017461 11.8931398  0.5507230  0.0045630 150.454590 
  1   0.5233278  0.1391268  0.0137770  0.0001072  0.0001067  15.003670 
  2   0.0000053 -0.0001230 -0.0000020 -0.0000111 -0.0000110   0.000000 
  3  -0.0000071 -0.0000018  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046373        tan f2 = 0.0046142 

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 =  22.000 TDT.


Circumstances at Greatest Eclipse:  21:26:15 UT

Latitude:   75.5° N      Sun’s Altitude:    12.1°          Path Width = 214.2 km
Longitude: 130.6° E      Sun’s Azimuth:     89.5°    Central Duration = 00m47s 
