Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 6 26.  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)
 06/27/2017   12:11:31   (  -0.16,-135.45) (  -0.71,-132.98)  280.91                80
 06/30/2017   00:30:26   (   0.18,-135.47) (  -0.43,-138.12)  303.18                80
 07/01/2017   00:21:38   (   0.18,-135.47) (   0.21,-135.33)   15.33                80
 07/02/2017   00:10:11   (   0.18,-135.47) (   0.85,-132.54)  333.77                80
 07/04/2017   12:29:05   (  -0.20,-135.44) (   0.34,-137.67)  255.22                80
 07/05/2017   12:20:17   (  -0.20,-135.43) (  -0.32,-134.88)   62.65                80
 07/06/2017   12:08:50   (  -0.20,-135.43) (  -0.97,-132.10)  380.33                80
 07/09/2017   00:27:46   (   0.22,-135.41) (  -0.18,-137.24)  208.05                80
 07/10/2017   00:18:58   (   0.22,-135.40) (   0.47,-134.45)  109.14                80