   Instant of          18:38:42 TDT     JD = 1638927.27700 
Greatest Eclipse:    (=15:1:25 UT)

Gamma = 0.9760             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0159             Lunation No. = -27518 
     Eclipse Type = T                  Saros Series = 75 
                                                 ΔT = 13036.9 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:   -225 Feb 20   19.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.2489290  0.9647850 -12.2747002  0.5428590 -0.0032630 100.818710 
  1   0.5071285  0.2481265  0.0138230  0.0000902  0.0000897  15.002770 
  2  -0.0000346  0.0000165  0.0000030 -0.0000122 -0.0000121   0.000000 
  3  -0.0000077 -0.0000040  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046865        tan f2 = 0.0046632 

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 =  19.000 TDT.


Circumstances at Greatest Eclipse:  15:1:25 UT

Latitude:   54.7° N      Sun’s Altitude:    11.9°          Path Width = 255.4 km
Longitude:  88.8° W      Sun’s Azimuth:    132.3°    Central Duration = 01m06s 
