Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 8 25.  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)
 08/27/2018   01:23:15   (   0.34,-134.68) (  -0.22,-137.17)  283.81                80
 08/28/2018   01:11:40   (   0.35,-134.64) (   0.41,-134.35)   33.24                80
 08/29/2018   00:57:27   (   0.36,-134.59) (   1.10,-131.53)  350.13                80
 08/31/2018   13:21:14   (  -0.33,-134.48) (   0.13,-136.53)  233.00                80
 09/01/2018   13:06:59   (  -0.34,-134.43) (  -0.52,-133.70)   83.06                80
 09/02/2018   12:55:25   (  -0.35,-134.37) (  -1.16,-130.88)  398.92                80
 09/05/2018   01:19:30   (   0.32,-134.20) (  -0.10,-135.94)  199.65                80
 09/06/2018   01:05:15   (   0.34,-134.14) (   0.54,-133.12)  115.65                80
 09/07/2018   00:53:42   (   0.35,-134.07) (   1.24,-130.31)  430.75                80