Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 7 25.  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)
 07/25/2016   23:43:53   (   0.25,-135.13) (   0.35,-134.72)   47.75                80
 07/26/2016   23:32:31   (   0.25,-135.10) (   0.98,-131.95)  359.48                80
 07/29/2016   11:51:31   (  -0.27,-135.01) (   0.21,-137.13)  241.03                80
 07/30/2016   11:42:50   (  -0.27,-134.97) (  -0.43,-134.37)   70.11                80
 07/31/2016   11:31:27   (  -0.27,-134.93) (  -1.02,-131.59)  381.06                80
 08/02/2016   23:50:46   (   0.28,-134.84) (  -0.20,-136.84)  228.88                80
 08/03/2016   23:42:04   (   0.29,-134.80) (   0.45,-134.08)   82.00                80
 08/04/2016   23:30:43   (   0.28,-134.76) (   1.10,-131.32)  392.86                80
 08/07/2016   11:49:42   (  -0.29,-134.65) (   0.13,-136.48)  209.09                80