   Instant of          11:18:41 TDT     JD = 2082948.97100 
Greatest Eclipse:    (=10:51:47 UT)

Gamma = 0.8870             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9211             Lunation No. = -12482 
     Eclipse Type = A                  Saros Series = 117 
                                                 ΔT = 1613.9 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:   990 Oct 21   11.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.0662940  0.8985620 -12.6614599  0.5717920  0.0255270 348.792511 
  1   0.4913354 -0.1254247 -0.0140710  0.0000626  0.0000623  15.001910 
  2   0.0000072  0.0000409  0.0000030 -0.0000100 -0.0000099   0.000000 
  3  -0.0000056  0.0000014  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047268        tan f2 = 0.0047033 

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 =  11.000 TDT.


Circumstances at Greatest Eclipse:  10:51:47 UT

Latitude:   47.9° N      Sun’s Altitude:    27.1°          Path Width = 643.5 km
Longitude:  32.3° E      Sun’s Azimuth:    201.0°    Central Duration = 08m09s 
