   Instant of          17:12:54 TDT     JD = 2465961.21700 
Greatest Eclipse:    (=17:11:30 UT)

Gamma = 0.8312             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9454             Lunation No. = 488 
     Eclipse Type = A                  Saros Series = 147 
                                                 ΔT = 84.3 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:   2039 Jun 21   17.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.1896110  0.8165930 23.4323807  0.5645260  0.0182970  74.535820 
  1   0.5058693  0.0495414 -0.0001780 -0.0000388 -0.0000386  14.999040 
  2   0.0000276 -0.0001800 -0.0000060 -0.0000098 -0.0000097   0.000000 
  3  -0.0000057 -0.0000007  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046017        tan f2 = 0.0045788 

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 =  17.000 TDT.


Circumstances at Greatest Eclipse:  17:11:30 UT

Latitude:   78.9° N      Sun’s Altitude:    33.4°          Path Width = 365.3 km
Longitude: 102.1° W      Sun’s Azimuth:    152.6°    Central Duration = 04m05s 
