   Instant of          21:20:57 TDT     JD = 1955377.39000 
Greatest Eclipse:    (=20:8:51 UT)

Gamma = -0.5962            Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9630             Lunation No. = -16802 
     Eclipse Type = A                  Saros Series = 85 
                                                 ΔT = 4326.0 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:   641 Jul 13   21.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.2220150 -0.5820630 21.6214905  0.5604070  0.0141990 134.255219 
  1   0.5161331 -0.0361944 -0.0066600 -0.0000779 -0.0000775  15.000080 
  2   0.0000110 -0.0001138 -0.0000050 -0.0000101 -0.0000101   0.000000 
  3  -0.0000062  0.0000004  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046102        tan f2 = 0.0045872 

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 =  21.000 TDT.


Circumstances at Greatest Eclipse:  20:8:51 UT

Latitude:   15.0° S      Sun’s Altitude:    53.3°          Path Width = 166.6 km
Longitude: 123.9° W      Sun’s Azimuth:      3.9°    Central Duration = 04m45s 
