Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 07/26/2019   18:30:35   (  -0.02,-128.14) (  -0.71,-124.99)  358.76                80
 07/27/2019   06:54:39   (  -0.02,-128.14) (  -0.43,-130.17)  230.53                80
 07/29/2019   06:39:49   (  -0.01,-128.18) (   0.17,-127.22)  109.50                80
 07/29/2019   19:03:45   (   0.04,-128.20) (   0.92,-132.37)  474.46                80
 07/31/2019   06:27:40   (   0.00,-128.22) (   0.83,-124.27)  448.63                80
 07/31/2019   18:51:36   (   0.04,-128.23) (   0.27,-129.43)  135.40                80
 08/02/2019   18:36:47   (   0.02,-128.26) (  -0.36,-126.48)  203.07                80
 08/03/2019   07:00:51   (  -0.06,-128.27) (  -0.79,-131.66)  386.14                80
 08/05/2019   06:48:42   (  -0.05,-128.29) (  -0.17,-128.71)   48.18                80
 08/07/2019   06:33:54   (  -0.04,-128.32) (   0.50,-125.77)  289.58                80
 08/07/2019   18:57:50   (   0.08,-128.32) (   0.61,-130.93)  295.45                80