   Instant of          04:38:19 TDT     JD = 2167170.69300 
Greatest Eclipse:    (=04:27:10 UT)

Gamma = 0.3885             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0767             Lunation No. = -9630 
     Eclipse Type = T                  Saros Series = 115 
                                                 ΔT = 669.2 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:   1221 May 23    5.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.1050050  0.4292850 21.8014298  0.5308120 -0.0152490 256.047852 
  1   0.5640521  0.1482251  0.0059440 -0.0000398 -0.0000396  15.000190 
  2   0.0000390 -0.0001732 -0.0000050 -0.0000128 -0.0000127   0.000000 
  3  -0.0000095 -0.0000027  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046021        tan f2 = 0.0045792 

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 =   5.000 TDT.


Circumstances at Greatest Eclipse:  04:27:10 UT

Latitude:   43.9° N      Sun’s Altitude:    66.9°          Path Width = 269.3 km
Longitude: 104.3° E      Sun’s Azimuth:    161.1°    Central Duration = 05m43s 
