Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 11 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 11/11/2017   12:43:35   (  -0.06,-134.74) (   0.59,-137.40)  304.74                80
 11/12/2017   12:34:45   (  -0.05,-134.78) (  -0.08,-134.61)   20.10                80
 11/13/2017   12:23:16   (  -0.04,-134.83) (  -0.75,-131.81)  344.88                80
 11/16/2017   00:42:07   (   0.07,-134.84) (  -0.40,-136.93)  238.22                80
 11/17/2017   00:33:17   (   0.06,-134.88) (   0.26,-134.13)   86.14                80
 11/18/2017   00:21:47   (   0.05,-134.92) (   0.86,-131.32)  410.31                80
 11/19/2017   12:52:04   (  -0.08,-135.08) (   0.87,-139.24)  474.51                80
 11/20/2017   12:40:34   (  -0.07,-135.11) (   0.25,-136.43)  150.46                80
 11/21/2017   12:31:44   (  -0.06,-135.15) (  -0.43,-133.63)  173.39                80
 11/22/2017   12:20:14   (  -0.06,-135.18) (  -1.05,-130.82)  497.11                80