   Instant of          18:50:12 TDT     JD = 2701999.28500 
Greatest Eclipse:    (=18:10:41 UT)

Gamma = -0.4011            Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0071             Lunation No. = 8481 
     Eclipse Type = H                  Saros Series = 155 
                                                 ΔT = 2371.4 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:   2685 Sep 20   19.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.0364170 -0.4093480  0.6378400  0.5484390  0.0022900 106.567528 
  1   0.5212548 -0.1658349 -0.0156430 -0.0001206 -0.0001200  15.005140 
  2   0.0000169  0.0000091  0.0000000 -0.0000113 -0.0000113   0.000000 
  3  -0.0000073  0.0000023  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046428        tan f2 = 0.0046197 

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:  18:10:41 UT

Latitude:   22.0° S      Sun’s Altitude:    66.2°          Path Width = 26.6 km
Longitude: 101.7° W      Sun’s Azimuth:     19.0°    Central Duration = 00m42s 
