   Instant of          02:03:10 TDT     JD = 1470632.58600 
Greatest Eclipse:    (=20:30:10 UT)

Gamma = 0.2121             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9503             Lunation No. = -33217 
     Eclipse Type = A                  Saros Series = 46 
                                                 ΔT = 19979.9 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:   -686 May 17    2.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.0663090  0.2032270 17.2350102  0.5649850  0.0187530 212.242233 
  1   0.4974276  0.0956457  0.0111270  0.0000248  0.0000246  15.002510 
  2   0.0000182 -0.0001082 -0.0000040 -0.0000097 -0.0000096   0.000000 
  3  -0.0000056 -0.0000010  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0045960        tan f2 = 0.0045731 

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 =   2.000 TDT.


Circumstances at Greatest Eclipse:  20:30:10 UT

Latitude:   29.4° N      Sun’s Altitude:    77.6°          Path Width = 186.6 km
Longitude: 132.2° W      Sun’s Azimuth:    168.2°    Central Duration = 05m59s 
