Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 20.  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)
 07/21/2018   12:53:27   (  -0.31,-135.51) (  -1.29,-131.23)  487.70                80
 07/23/2018   01:23:40   (   0.32,-135.51) (  -0.54,-139.11)  410.96                80
 07/24/2018   01:12:06   (   0.32,-135.51) (   0.12,-136.29)   89.16                80
 07/25/2018   01:03:13   (   0.32,-135.51) (   0.78,-133.47)  232.55                80
 07/27/2018   13:24:31   (  -0.34,-135.50) (   0.35,-138.53)  345.18                80
 07/28/2018   13:12:56   (  -0.34,-135.50) (  -0.27,-135.70)   24.08                80
 07/29/2018   12:58:43   (  -0.34,-135.49) (  -0.94,-132.89)  297.27                80
 08/01/2018   01:20:03   (   0.35,-135.47) (  -0.24,-137.94)  283.02                80
 08/02/2018   01:11:09   (   0.35,-135.46) (   0.42,-135.13)   37.76                80
 08/03/2018   00:59:36   (   0.35,-135.45) (   1.09,-132.31)  358.39                80