Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 6 24.  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)
 06/25/2017   12:31:47   (  -0.17,-135.44) (   0.53,-138.57)  356.50                80
 06/26/2017   12:22:59   (  -0.17,-135.45) (  -0.12,-135.78)   37.84                80
 06/27/2017   12:11:31   (  -0.16,-135.45) (  -0.70,-132.98)  281.06                80
 06/30/2017   00:30:26   (   0.18,-135.47) (  -0.44,-138.12)  302.51                80
 07/01/2017   00:21:38   (   0.18,-135.47) (   0.20,-135.33)   16.17                80
 07/02/2017   00:10:11   (   0.18,-135.47) (   0.84,-132.54)  334.67                80
 07/04/2017   12:29:06   (  -0.20,-135.45) (   0.29,-137.68)  254.26                80
 07/05/2017   12:20:17   (  -0.20,-135.45) (  -0.31,-134.88)   63.77                80
 07/06/2017   12:08:50   (  -0.20,-135.44) (  -0.96,-132.09)  381.52                80