Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 5 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)
 05/24/2021   06:33:22   (   0.04,-128.33) (   0.59,-125.78)  289.30                80
 05/24/2021   18:54:38   (  -0.05,-128.35) (   0.50,-130.94)  294.14                80
 05/26/2021   18:45:08   (  -0.05,-128.39) (  -0.14,-127.99)   45.50                80
 05/28/2021   18:32:58   (  -0.05,-128.41) (  -0.79,-125.04)  384.36                80
 05/29/2021   06:54:22   (   0.06,-128.41) (  -0.34,-130.22)  206.58                80
 05/31/2021   06:39:32   (   0.06,-128.43) (   0.31,-127.27)  131.71                80
 05/31/2021   19:00:48   (  -0.07,-128.44) (   0.78,-132.43)  453.76                80
 06/02/2021   06:27:22   (   0.07,-128.45) (   0.96,-124.32)  470.15                80
 06/02/2021   18:48:38   (  -0.07,-128.46) (   0.13,-129.48)  115.09                80
 06/04/2021   18:39:07   (  -0.07,-128.49) (  -0.47,-126.52)  223.55                80
 06/05/2021   07:00:32   (   0.08,-128.50) (  -0.60,-131.71)  365.71                80