Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 7 16.  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)
 07/17/2020   06:27:28   (  -0.01,-128.38) (   0.86,-124.27)  466.88                80
 07/17/2020   18:48:44   (   0.01,-128.37) (   0.22,-129.43)  120.20                80
 07/19/2020   18:39:13   (   0.02,-128.38) (  -0.39,-126.47)  216.98                80
 07/20/2020   07:00:37   (  -0.02,-128.40) (  -0.74,-131.66)  371.66                80
 07/22/2020   06:48:27   (  -0.02,-128.39) (  -0.07,-128.71)   35.51                80
 07/24/2020   06:33:36   (  -0.01,-128.39) (   0.54,-125.75)  300.14                80
 07/24/2020   18:54:52   (   0.01,-128.37) (   0.54,-130.91)  288.23                80
 07/26/2020   18:45:21   (   0.01,-128.36) (  -0.07,-127.95)   47.18                80
 07/28/2020   18:33:10   (   0.01,-128.35) (  -0.68,-124.99)  382.18                80
 07/29/2020   06:54:35   (  -0.01,-128.37) (  -0.38,-130.19)  206.25                80