   Instant of          00:18:57 TDT     JD = 1471164.51300 
Greatest Eclipse:    (=18:46:20 UT)

Gamma = 0.8080             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9767             Lunation No. = -33199 
     Eclipse Type = A                  Saros Series = 61 
                                                 ΔT = 19956.7 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:   -685 Oct 31    0.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.0461590  0.8247710 -11.7457199  0.5555220  0.0093370 183.128571 
  1   0.5248133 -0.1427056 -0.0147220 -0.0001129 -0.0001123  15.001900 
  2   0.0000334  0.0000273  0.0000030 -0.0000115 -0.0000114   0.000000 
  3  -0.0000073  0.0000019  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047517        tan f2 = 0.0047280 

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 =   0.000 TDT.


Circumstances at Greatest Eclipse:  18:46:20 UT

Latitude:   40.3° N      Sun’s Altitude:    35.8°          Path Width = 140.3 km
Longitude:  88.4° W      Sun’s Azimuth:    199.6°    Central Duration = 02m11s 
