   Instant of          19:02:58 TDT     JD = 2027491.29400 
Greatest Eclipse:    (=18:19:7 UT)

Gamma = 1.1638             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.6885             Lunation No. = -14360 
     Eclipse Type = P                  Saros Series = 113 
                                                 ΔT = 2631.3 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:   838 Dec 20   19.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.1688660  1.1517960 -23.5466404  0.5556700  0.0094850 104.345863 
  1   0.5396270  0.0664205  0.0009490 -0.0001214 -0.0001208  14.996190 
  2   0.0000056  0.0001139  0.0000070 -0.0000115 -0.0000114   0.000000 
  3  -0.0000075 -0.0000011  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047563        tan f2 = 0.0047326 

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 =  19.000 TDT.


Circumstances at Greatest Eclipse:  18:19:7 UT

Latitude:   65.5° N      Sun’s Altitude:     0.0°          Path Width = 0.0 km
Longitude: 111.2° W      Sun’s Azimuth:    164.3°    Central Duration = 00m00s 
