Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 8 12.  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)
 08/13/2018   13:28:42   (  -0.35,-135.20) (   0.54,-138.95)  429.07                80
 08/14/2018   13:17:08   (  -0.36,-135.17) (  -0.15,-136.14)  110.00                80
 08/15/2018   13:02:54   (  -0.36,-135.15) (  -0.78,-133.31)  208.98                80
 08/18/2018   01:26:58   (   0.35,-135.07) (  -0.40,-138.39)  378.17                80
 08/19/2018   01:15:23   (   0.36,-135.04) (   0.22,-135.56)   59.59                80
 08/20/2018   01:03:50   (   0.36,-135.01) (   0.90,-132.74)  258.84                80
 08/22/2018   13:24:58   (  -0.35,-134.92) (   0.32,-137.75)  323.00                80
 08/23/2018   13:10:45   (  -0.36,-134.89) (  -0.38,-134.94)    5.94                80
 08/24/2018   12:59:11   (  -0.37,-134.85) (  -1.01,-132.11)  312.59                80