   Instant of          16:36:39 TDT     JD = 2685019.19200 
Greatest Eclipse:    (=16:1:17 UT)

Gamma = 0.3749             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9281             Lunation No. = 7906 
     Eclipse Type = A                  Saros Series = 159 
                                                 ΔT = 2121.6 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:   2639 Mar 26   17.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.0101970  0.4231190  2.1722901  0.5717540  0.0254890  73.673508 
  1   0.4413039  0.2448741  0.0158020 -0.0000371 -0.0000369  15.003970 
  2   0.0000116 -0.0000253 -0.0000010 -0.0000098 -0.0000098   0.000000 
  3  -0.0000048 -0.0000029  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047024        tan f2 = 0.0046790 

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:  16:1:17 UT

Latitude:   21.4° N      Sun’s Altitude:    67.9°          Path Width = 288.2 km
Longitude:  70.2° W      Sun’s Azimuth:    148.8°    Central Duration = 07m58s 
