Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 7 18.  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)
 07/19/2020   18:39:13   (   0.01,-128.38) (  -0.39,-126.47)  217.01                80
 07/20/2020   07:00:38   (  -0.01,-128.40) (  -0.68,-131.67)  371.63                80
 07/22/2020   06:48:27   (  -0.00,-128.40) (  -0.07,-128.71)   35.42                80
 07/24/2020   06:33:37   (   0.02,-128.40) (   0.59,-125.76)  300.05                80
 07/24/2020   18:54:52   (  -0.02,-128.38) (   0.54,-130.91)  288.35                80
 07/26/2020   18:45:22   (  -0.02,-128.37) (  -0.13,-127.96)   47.37                80
 07/28/2020   18:33:11   (  -0.01,-128.36) (  -0.74,-125.00)  382.60                80
 07/29/2020   06:54:35   (   0.01,-128.38) (  -0.39,-130.18)  205.68                80
 07/31/2020   06:39:44   (  -0.01,-128.36) (   0.23,-127.22)  128.89                80
 07/31/2020   19:01:00   (   0.01,-128.33) (   0.85,-132.38)  460.74                80