Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 8 11.  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)
 08/12/2018   00:55:56   (   0.36,-135.24) (   1.30,-131.11)  471.43                80
 08/13/2018   13:28:42   (  -0.35,-135.20) (   0.51,-138.96)  429.04                80
 08/14/2018   13:17:08   (  -0.36,-135.17) (  -0.13,-136.14)  109.94                80
 08/15/2018   13:02:53   (  -0.36,-135.15) (  -0.76,-133.31)  209.07                80
 08/18/2018   01:26:57   (   0.35,-135.07) (  -0.42,-138.38)  377.94                80
 08/19/2018   01:12:44   (   0.36,-135.04) (   0.26,-135.57)   59.39                80
 08/20/2018   01:03:49   (   0.36,-135.01) (   0.88,-132.74)  259.11                80
 08/22/2018   13:24:59   (  -0.35,-134.93) (   0.29,-137.76)  322.76                80
 08/23/2018   13:13:25   (  -0.36,-134.89) (  -0.35,-134.93)    4.86                80
 08/24/2018   12:59:10   (  -0.37,-134.85) (  -0.98,-132.11)  312.87                80