Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 9 12.  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)
 09/13/2017   12:20:50   (   0.25,-135.25) (  -0.30,-132.97)  260.20                80
 09/16/2017   00:39:48   (  -0.22,-135.22) (  -0.87,-138.12)  331.00                80
 09/17/2017   00:28:18   (  -0.22,-135.24) (  -0.26,-135.32)    9.56                80
 09/18/2017   00:19:30   (  -0.23,-135.26) (   0.41,-132.52)  312.22                80
 09/20/2017   12:38:16   (   0.19,-135.40) (   0.72,-137.63)  255.33                80
 09/21/2017   12:29:28   (   0.20,-135.41) (   0.06,-134.84)   65.80                80
 09/22/2017   12:18:00   (   0.21,-135.43) (  -0.60,-132.05)  386.85                80
 09/25/2017   00:36:54   (  -0.18,-135.37) (  -0.57,-137.18)  205.87                80
 09/26/2017   00:28:05   (  -0.18,-135.39) (   0.05,-134.38)  114.99                80