Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 5 31.  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)
 05/31/2021   06:39:32   (   0.07,-128.42) (   0.29,-127.27)  130.66                80
 05/31/2021   19:00:48   (  -0.07,-128.44) (   0.80,-132.43)  453.76                80
 06/02/2021   06:27:22   (   0.07,-128.44) (   0.94,-124.32)  468.63                80
 06/02/2021   18:48:38   (  -0.08,-128.46) (   0.15,-129.47)  115.51                80
 06/04/2021   18:39:08   (  -0.08,-128.48) (  -0.51,-126.52)  222.66                80
 06/05/2021   07:00:31   (   0.08,-128.48) (  -0.62,-131.71)  367.89                80
 06/07/2021   06:48:21   (   0.08,-128.49) (   0.04,-128.76)   30.39                80
 06/09/2021   06:33:31   (   0.08,-128.49) (   0.64,-125.80)  306.47                80
 06/09/2021   18:54:46   (  -0.08,-128.50) (   0.45,-130.95)  279.70                80
 06/11/2021   18:45:16   (  -0.09,-128.50) (  -0.22,-128.01)   56.49                80
 06/13/2021   18:33:05   (  -0.09,-128.49) (  -0.82,-125.04)  391.96                80