Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 8 4.  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)
 08/05/2018   13:20:50   (  -0.34,-135.39) (   0.09,-137.34)  222.57                80
 08/06/2018   13:06:36   (  -0.35,-135.37) (  -0.54,-134.51)   97.23                80
 08/07/2018   12:55:02   (  -0.35,-135.34) (  -1.23,-131.70)  416.80                80
 08/09/2018   01:27:58   (   0.35,-135.31) (  -0.64,-139.58)  487.33                80
 08/10/2018   01:16:24   (   0.35,-135.28) (   0.03,-136.76)  168.21                80
 08/11/2018   01:07:30   (   0.36,-135.26) (   0.65,-133.93)  150.86                80
 08/12/2018   00:55:56   (   0.36,-135.23) (   1.32,-131.12)  469.83                80
 08/13/2018   13:28:43   (  -0.35,-135.19) (   0.49,-138.97)  430.44                80
 08/14/2018   13:17:08   (  -0.36,-135.16) (  -0.15,-136.14)  111.55                80
 08/15/2018   13:02:54   (  -0.36,-135.13) (  -0.78,-133.32)  207.25                80
 08/18/2018   01:26:56   (   0.35,-135.05) (  -0.45,-138.38)  380.77                80