Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 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)
 06/25/2018   12:52:39   (  -0.20,-135.01) (  -0.94,-131.87)  359.17                80
 06/28/2018   01:11:19   (   0.23,-135.10) (  -0.18,-136.94)  209.12                80
 06/29/2018   01:02:25   (   0.23,-135.13) (   0.47,-134.12)  116.07                80
 06/30/2018   00:50:52   (   0.22,-135.16) (   1.12,-131.30)  441.14                80
 07/01/2018   13:21:06   (  -0.25,-135.21) (   0.65,-139.19)  454.38                80
 07/02/2018   13:09:33   (  -0.25,-135.23) (   0.01,-136.37)  129.64                80
 07/03/2018   13:00:39   (  -0.25,-135.26) (  -0.64,-133.55)  195.01                80
 07/06/2018   01:19:18   (   0.26,-135.32) (  -0.48,-138.62)  375.39                80
 07/07/2018   01:07:45   (   0.26,-135.34) (   0.17,-135.80)   51.18                80
 07/08/2018   00:58:51   (   0.26,-135.36) (   0.83,-132.98)  272.84                80