   Instant of          17:58:59 TDT     JD = 1530934.24900 
Greatest Eclipse:    (=13:8:28 UT)

Gamma = 1.1951             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.6444             Lunation No. = -31175 
     Eclipse Type = P                  Saros Series = 38 
                                                 ΔT = 17430.6 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:   -521 Jun 21   18.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.0547280  1.1938690 23.5298595  0.5332090 -0.0128640  91.537460 
  1   0.5769106 -0.0216899  0.0023870 -0.0000681 -0.0000677  14.999280 
  2   0.0000006 -0.0002338 -0.0000050 -0.0000125 -0.0000124   0.000000 
  3  -0.0000095  0.0000004  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046000        tan f2 = 0.0045771 

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:  13:8:28 UT

Latitude:   66.4° N      Sun’s Altitude:     0.0°          Path Width = 0.0 km
Longitude: 156.2° E      Sun’s Azimuth:    355.1°    Central Duration = 00m00s 
