   Instant of          07:16:04 TDT     JD = 2463007.80300 
Greatest Eclipse:    (=07:14:45 UT)

Gamma = -0.1970            Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9589             Lunation No. = 388 
     Eclipse Type = A                  Saros Series = 138 
                                                 ΔT = 78.5 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:   2031 May 21    7.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.1147810 -0.2112480 20.1591492  0.5624050  0.0161860 285.851135 
  1   0.5112392  0.0579330  0.0083390  0.0000806  0.0000802  15.000620 
  2   0.0000072 -0.0001182 -0.0000050 -0.0000100 -0.0000100   0.000000 
  3  -0.0000060 -0.0000006  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046208        tan f2 = 0.0045978 

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 =   7.000 TDT.


Circumstances at Greatest Eclipse:  07:14:45 UT

Latitude:    8.9° N      Sun’s Altitude:    78.7°          Path Width = 152.2 km
Longitude:  71.7° E      Sun’s Azimuth:    353.8°    Central Duration = 05m26s 
