   Instant of          12:36:38 TDT     JD = 2021053.02500 
Greatest Eclipse:    (=11:50:30 UT)

Gamma = 1.1177             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.7903             Lunation No. = -14578 
     Eclipse Type = P                  Saros Series = 80 
                                                 ΔT = 2768.2 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:   821 May 05   13.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.0116430  1.1397120 17.4024296  0.5355170 -0.0105670  16.375650 
  1   0.5630369  0.1063163  0.0108710  0.0000730  0.0000727  15.002290 
  2   0.0000108 -0.0001792 -0.0000040 -0.0000123 -0.0000123   0.000000 
  3  -0.0000091 -0.0000016  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046101        tan f2 = 0.0045871 

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 =  13.000 TDT.


Circumstances at Greatest Eclipse:  11:50:30 UT

Latitude:   69.7° N      Sun’s Altitude:     0.0°          Path Width = 0.0 km
Longitude: 146.6° W      Sun’s Azimuth:     30.7°    Central Duration = 00m00s 
