Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 7 24.  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)
 07/24/2020   06:33:37   (   0.00,-128.40) (   0.59,-125.76)  300.85                80
 07/24/2020   18:54:52   (  -0.00,-128.38) (   0.55,-130.91)  287.00                80
 07/26/2020   18:45:22   (  -0.01,-128.39) (  -0.13,-127.96)   50.22                80
 07/28/2020   18:33:11   (  -0.01,-128.40) (  -0.74,-125.00)  386.66                80
 07/29/2020   06:54:34   (   0.01,-128.42) (  -0.39,-130.18)  201.44                80
 07/31/2020   06:39:45   (   0.01,-128.41) (   0.28,-127.23)  134.21                80
 07/31/2020   19:00:59   (  -0.02,-128.38) (   0.85,-132.38)  455.04                80
 08/02/2020   06:27:34   (   0.02,-128.40) (   0.90,-124.27)  469.50                80
 08/02/2020   18:48:48   (  -0.02,-128.38) (   0.23,-129.42)  119.70                80
 08/04/2020   18:39:18   (  -0.02,-128.37) (  -0.45,-126.47)  215.67                80
 08/05/2020   07:00:42   (   0.02,-128.39) (  -0.68,-131.66)  371.78                80