   Instant of          20:29:24 TDT     JD = 2507540.35400 
Greatest Eclipse:    (=20:23:49 UT)

Gamma = -0.5557            Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9364             Lunation No. = 1896 
     Eclipse Type = A                  Saros Series = 131 
                                                 ΔT = 335.0 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:   2153 Apr 23   20.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.0157990 -0.6082470 12.8188295  0.5686580  0.0224080 120.428337 
  1   0.4561179  0.2177108  0.0132300 -0.0000196 -0.0000195  15.002950 
  2   0.0000342 -0.0000424 -0.0000030 -0.0000098 -0.0000097   0.000000 
  3  -0.0000050 -0.0000026  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046535        tan f2 = 0.0046303 

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 =  20.000 TDT.


Circumstances at Greatest Eclipse:  20:23:49 UT

Latitude:   17.9° S      Sun’s Altitude:    56.1°          Path Width = 278.9 km
Longitude: 111.8° W      Sun’s Azimuth:    333.9°    Central Duration = 07m31s 
