   Instant of          22:29:38 TDT     JD = 1476361.43700 
Greatest Eclipse:    (=17:0:48 UT)

Gamma = 0.8774             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9323             Lunation No. = -33023 
     Eclipse Type = A                  Saros Series = 59 
                                                 ΔT = 19730.3 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:   -670 Jan 21   22.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.4906740  0.7703270 -21.3861008  0.5682870  0.0220390 146.330154 
  1   0.4927121  0.1446389  0.0073840  0.0000886  0.0000881  14.998170 
  2  -0.0000323  0.0001003  0.0000050 -0.0000102 -0.0000102   0.000000 
  3  -0.0000058 -0.0000018  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047222        tan f2 = 0.0046987 

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 =  22.000 TDT.


Circumstances at Greatest Eclipse:  17:0:48 UT

Latitude:   37.8° N      Sun’s Altitude:    28.4°          Path Width = 521.1 km
Longitude:  89.5° W      Sun’s Azimuth:    160.7°    Central Duration = 07m27s 
