   Instant of          17:06:51 TDT     JD = 2499744.21300 
Greatest Eclipse:    (=17:2:10 UT)

Gamma = 0.5165             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9267             Lunation No. = 1632 
     Eclipse Type = A                  Saros Series = 134 
                                                 ΔT = 280.9 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:   2131 Dec 19   17.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.0046650  0.5197130 -23.3954105  0.5719190  0.0256530  75.825729 
  1   0.5059384 -0.0615681 -0.0007150 -0.0000656 -0.0000653  14.996230 
  2   0.0000288  0.0001359  0.0000060 -0.0000101 -0.0000101   0.000000 
  3  -0.0000058  0.0000008  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047521        tan f2 = 0.0047285 

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 =  17.000 TDT.


Circumstances at Greatest Eclipse:  17:2:10 UT

Latitude:    7.6° N      Sun’s Altitude:    58.9°          Path Width = 321.2 km
Longitude:  72.8° W      Sun’s Azimuth:    186.4°    Central Duration = 10m14s 
