   Instant of          21:06:37 TDT     JD = 2684841.38000 
Greatest Eclipse:    (=20:31:18 UT)

Gamma = 0.4007             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0554             Lunation No. = 7900 
     Eclipse Type = T                  Saros Series = 154 
                                                 ΔT = 2119.1 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:   2638 Sep 29   21.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.1375620  0.3816840 -2.6220901  0.5359890 -0.0100980 137.348633 
  1   0.5052500 -0.2783344 -0.0153710  0.0000733  0.0000730  15.004860 
  2  -0.0000096 -0.0000025  0.0000000 -0.0000126 -0.0000126   0.000000 
  3  -0.0000082  0.0000047  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046535        tan f2 = 0.0046304 

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:  20:31:18 UT

Latitude:   18.1° N      Sun’s Altitude:    66.3°          Path Width = 197.9 km
Longitude: 118.4° W      Sun’s Azimuth:    210.3°    Central Duration = 04m31s 
