   Instant of          10:30:28 TDT     JD = 2020905.93800 
Greatest Eclipse:    (=9:44:17 UT)

Gamma = 1.1629             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.6904             Lunation No. = -14583 
     Eclipse Type = P                  Saros Series = 113 
                                                 ΔT = 2771.3 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:   820 Dec 09   11.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.2249140  1.1721840 -23.3656101  0.5548610  0.0086800 345.720245 
  1   0.5451152  0.0204705 -0.0025470 -0.0001329 -0.0001323  14.996290 
  2   0.0000028  0.0001108  0.0000070 -0.0000116 -0.0000115   0.000000 
  3  -0.0000076 -0.0000004  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047579        tan f2 = 0.0047342 

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:  9:44:17 UT

Latitude:   66.5° N      Sun’s Altitude:     0.0°          Path Width = 0.0 km
Longitude:  27.9° E      Sun’s Azimuth:    175.1°    Central Duration = 00m00s 
