   Instant of          18:39:21 TDT     JD = 1925226.27700 
Greatest Eclipse:    (=17:14:14 UT)

Gamma = 0.0427             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9263             Lunation No. = -17823 
     Eclipse Type = A                  Saros Series = 89 
                                                 ΔT = 5107.4 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:   558 Dec 25   19.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.1666130  0.0684750 -23.4645901  0.5727430  0.0264730 103.811798 
  1   0.5027619  0.0762509  0.0019110  0.0000547  0.0000544  14.996200 
  2  -0.0000387  0.0001536  0.0000060 -0.0000101 -0.0000100   0.000000 
  3  -0.0000057 -0.0000010  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047549        tan f2 = 0.0047312 

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:  17:14:14 UT

Latitude:   21.2° S      Sun’s Altitude:    87.7°          Path Width = 277.5 km
Longitude:  77.7° W      Sun’s Azimuth:    171.1°    Central Duration = 09m41s 
