Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 5 31.  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)
 06/02/2018   01:10:24   (   0.11,-134.91) (  -0.50,-137.55)  300.49                80
 06/03/2018   01:01:31   (   0.10,-134.87) (   0.13,-134.72)   16.86                80
 06/04/2018   00:49:57   (   0.10,-134.83) (   0.76,-131.90)  334.10                80
 06/06/2018   13:08:33   (  -0.12,-134.72) (   0.41,-136.95)  254.80                80
 06/07/2018   12:59:41   (  -0.12,-134.67) (  -0.26,-134.14)   61.79                80
 06/08/2018   12:48:07   (  -0.12,-134.63) (  -0.87,-131.31)  378.21                80
 06/11/2018   01:06:50   (   0.14,-134.50) (  -0.32,-136.38)  215.23                80
 06/12/2018   00:57:58   (   0.14,-134.45) (   0.37,-133.57)  100.76                80
 06/13/2018   00:46:24   (   0.14,-134.39) (   1.01,-130.75)  416.45                80
 06/14/2018   13:16:35   (  -0.17,-134.31) (   0.85,-138.61)  492.04                80