   Instant of          21:08:14 TDT     JD = 2648282.38100 
Greatest Eclipse:    (=20:41:6 UT)

Gamma = 0.5217             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9806             Lunation No. = 6662 
     Eclipse Type = A                  Saros Series = 163 
                                                 ΔT = 1628.3 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:   2538 Aug 25   21.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.0679350  0.5223590 10.4099798  0.5554890  0.0093050 134.312454 
  1   0.5101101 -0.1398322 -0.0140490  0.0001156  0.0001150  15.004280 
  2  -0.0000351 -0.0000761 -0.0000020 -0.0000106 -0.0000105   0.000000 
  3  -0.0000065  0.0000017  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046189        tan f2 = 0.0045959 

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:  20:41:6 UT

Latitude:   40.7° N      Sun’s Altitude:    58.3°          Path Width = 80.6 km
Longitude: 119.1° W      Sun’s Azimuth:    199.9°    Central Duration = 01m52s 
