Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 5 30.  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) (   0.31,-127.27)  130.71                80
 05/31/2021   19:00:48   (  -0.07,-128.44) (   0.78,-132.43)  453.72                80
 06/02/2021   06:27:22   (   0.07,-128.44) (   0.96,-124.32)  468.87                80
 06/02/2021   18:48:38   (  -0.08,-128.46) (   0.13,-129.48)  115.31                80
 06/04/2021   18:39:07   (  -0.08,-128.48) (  -0.47,-126.51)  223.06                80
 06/05/2021   07:00:32   (   0.08,-128.48) (  -0.60,-131.71)  367.37                80
 06/07/2021   06:48:21   (   0.08,-128.50) (  -0.00,-128.75)   29.84                80
 06/09/2021   06:33:31   (   0.08,-128.50) (   0.66,-125.80)  307.33                80
 06/09/2021   18:54:47   (  -0.08,-128.50) (   0.43,-130.96)  278.90                80
 06/11/2021   18:45:16   (  -0.09,-128.51) (  -0.17,-128.00)   57.45                80