   Instant of          21:59:05 TDT     JD = 2289870.41600 
Greatest Eclipse:    (=21:56:41 UT)

Gamma = 0.1251             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0692             Lunation No. = -5475 
     Eclipse Type = T                  Saros Series = 121 
                                                 ΔT = 144.2 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:   1557 Apr 28   22.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.0384540  0.1193900 17.1746006  0.5329680 -0.0131040 151.031998 
  1   0.5384528  0.2168338  0.0107420 -0.0000526 -0.0000524  15.002070 
  2   0.0000532 -0.0001129 -0.0000040 -0.0000127 -0.0000126   0.000000 
  3  -0.0000089 -0.0000038  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046230        tan f2 = 0.0045999 

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:  21:56:41 UT

Latitude:   24.0° N      Sun’s Altitude:    82.7°          Path Width = 227.1 km
Longitude: 153.1° W      Sun’s Azimuth:    157.5°    Central Duration = 05m42s 
