   Instant of          20:20:40 TDT     JD = 2002685.34800 
Greatest Eclipse:    (=19:27:43 UT)

Gamma = 0.9210             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9125             Lunation No. = -15200 
     Eclipse Type = A                  Saros Series = 82 
                                                 ΔT = 3176.7 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:   771 Jan 20   20.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.3025370  0.8869600 -19.2690296  0.5742770  0.0279990 116.318466 
  1   0.4981322  0.0715034  0.0099390 -0.0000110 -0.0000110  14.999030 
  2  -0.0000038  0.0000862  0.0000050 -0.0000099 -0.0000098   0.000000 
  3  -0.0000055 -0.0000007  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047373        tan f2 = 0.0047137 

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 =  20.000 TDT.


Circumstances at Greatest Eclipse:  19:27:43 UT

Latitude:   47.5° N      Sun’s Altitude:    22.5°          Path Width = 863.3 km
Longitude: 119.4° W      Sun’s Azimuth:    168.6°    Central Duration = 09m31s 
