Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 11 8.  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)
 11/09/2017   00:24:46   (   0.03,-134.52) (   0.56,-132.29)  254.65                80
 11/11/2017   12:43:35   (  -0.06,-134.74) (   0.57,-137.41)  304.60                80
 11/12/2017   12:34:46   (  -0.05,-134.79) (  -0.09,-134.61)   20.22                80
 11/13/2017   12:23:16   (  -0.04,-134.83) (  -0.76,-131.81)  345.07                80
 11/16/2017   00:42:06   (   0.07,-134.84) (  -0.44,-136.92)  238.17                80
 11/17/2017   00:33:17   (   0.06,-134.88) (   0.22,-134.12)   86.20                80
 11/18/2017   00:21:47   (   0.05,-134.92) (   0.87,-131.32)  410.40                80
 11/19/2017   12:52:03   (  -0.08,-135.08) (   0.91,-139.23)  474.22                80
 11/20/2017   12:40:34   (  -0.07,-135.12) (   0.23,-136.43)  150.13                80
 11/21/2017   12:31:43   (  -0.06,-135.15) (  -0.39,-133.62)  173.76                80
 11/22/2017   12:20:14   (  -0.06,-135.18) (  -1.07,-130.83)  497.47                80