Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 1.  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)
 08/02/2020   06:27:33   (   0.00,-128.36) (   0.87,-124.27)  465.78                80
 08/02/2020   18:48:48   (   0.00,-128.34) (   0.26,-129.41)  122.76                80
 08/04/2020   18:39:18   (  -0.00,-128.32) (  -0.43,-126.47)  211.22                80
 08/05/2020   07:00:41   (   0.00,-128.33) (  -0.71,-131.65)  377.40                80
 08/07/2020   06:48:30   (   0.01,-128.31) (  -0.08,-128.69)   43.71                80
 08/09/2020   06:33:40   (   0.01,-128.29) (   0.54,-125.73)  289.77                80
 08/09/2020   18:54:55   (  -0.01,-128.25) (   0.52,-130.90)  299.88                80
 08/11/2020   18:45:23   (  -0.01,-128.22) (  -0.04,-127.92)   33.34                80
 08/13/2020   18:33:12   (  -0.00,-128.18) (  -0.67,-124.97)  365.63                80
 08/14/2020   06:54:37   (  -0.00,-128.20) (  -0.40,-130.17)  222.69                80