   Instant of          01:19:52 TDT     JD = 1953812.55500 
Greatest Eclipse:    (=0:7:6 UT)

Gamma = 0.7473             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0312             Lunation No. = -16855 
     Eclipse Type = T                  Saros Series = 78 
                                                 ΔT = 4365.7 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:   637 Apr 01    1.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.4014810  0.6573710  5.4214702  0.5409290 -0.0051820 194.304520 
  1   0.5384898  0.1685452  0.0154360 -0.0000981 -0.0000976  15.004910 
  2   0.0000444 -0.0000609 -0.0000010 -0.0000120 -0.0000120   0.000000 
  3  -0.0000083 -0.0000025  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046440        tan f2 = 0.0046208 

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 =   1.000 TDT.


Circumstances at Greatest Eclipse:  0:7:6 UT

Latitude:   50.9° N      Sun’s Altitude:    41.3°          Path Width = 158.0 km
Longitude: 158.3° E      Sun’s Azimuth:    152.1°    Central Duration = 02m21s 
