   Instant of          20:44:37 TDT     JD = 2498710.36400 
Greatest Eclipse:    (=20:40:3 UT)

Gamma = -0.2526            Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0411             Lunation No. = 1597 
     Eclipse Type = T                  Saros Series = 142 
                                                 ΔT = 273.7 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:   2129 Feb 18   21.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.2079030 -0.2059960 -11.3849297  0.5398910 -0.0062160 131.589905 
  1   0.5574684  0.1486188  0.0144380  0.0000561  0.0000559  15.002300 
  2  -0.0000394  0.0000831  0.0000020 -0.0000128 -0.0000128   0.000000 
  3  -0.0000092 -0.0000024  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047317        tan f2 = 0.0047081 

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:  20:40:3 UT

Latitude:   25.6° S      Sun’s Altitude:    75.2°          Path Width = 142.1 km
Longitude: 122.5° W      Sun’s Azimuth:    343.9°    Central Duration = 03m38s 
