   Instant of          18:22:41 TDT     JD = 1729202.26600 
Greatest Eclipse:    (=15:30:50 UT)

Gamma = 0.9361             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9506             Lunation No. = -24461 
     Eclipse Type = A                  Saros Series = 58 
                                                 ΔT = 10310.7 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:   22 Apr 19   18.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.4417320  0.8479920 10.4049501  0.5619500  0.0157340  90.639977 
  1   0.4957266  0.1400533  0.0142740  0.0000839  0.0000835  15.004370 
  2   0.0000230 -0.0000968 -0.0000020 -0.0000100 -0.0000100   0.000000 
  3  -0.0000059 -0.0000016  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046173        tan f2 = 0.0045943 

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 =  18.000 TDT.


Circumstances at Greatest Eclipse:  15:30:50 UT

Latitude:   72.1° N      Sun’s Altitude:    20.1°          Path Width = 522.8 km
Longitude: 108.8° W      Sun’s Azimuth:    120.3°    Central Duration = 03m35s 
