Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 9 14.  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)
 09/16/2017   00:39:47   (  -0.22,-135.22) (  -0.91,-138.11)  330.86                80
 09/17/2017   00:28:18   (  -0.22,-135.24) (  -0.24,-135.32)    9.21                80
 09/18/2017   00:19:30   (  -0.23,-135.26) (   0.42,-132.53)  312.34                80
 09/20/2017   12:38:17   (   0.19,-135.39) (   0.70,-137.64)  255.60                80
 09/21/2017   12:29:28   (   0.20,-135.41) (   0.05,-134.84)   65.52                80
 09/22/2017   12:18:00   (   0.21,-135.43) (  -0.60,-132.05)  386.54                80
 09/25/2017   00:36:55   (  -0.18,-135.37) (  -0.57,-137.18)  205.94                80
 09/26/2017   00:28:05   (  -0.18,-135.39) (   0.05,-134.38)  114.89                80
 09/27/2017   00:16:36   (  -0.19,-135.40) (   0.67,-131.58)  435.64                80
 09/28/2017   12:46:54   (   0.15,-135.51) (   1.07,-139.50)  455.40                80