Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 6 3.  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)
 06/04/2021   18:39:07   (  -0.08,-128.47) (  -0.50,-126.52)  222.22                80
 06/05/2021   07:00:31   (   0.08,-128.47) (  -0.63,-131.71)  368.42                80
 06/07/2021   06:48:21   (   0.08,-128.48) (   0.02,-128.76)   31.17                80
 06/09/2021   06:33:31   (   0.08,-128.48) (   0.68,-125.81)  305.37                80
 06/09/2021   18:54:46   (  -0.08,-128.49) (   0.46,-130.95)  280.83                80
 06/11/2021   18:45:16   (  -0.09,-128.48) (  -0.20,-128.00)   55.03                80
 06/13/2021   18:33:05   (  -0.09,-128.48) (  -0.80,-125.04)  390.26                80
 06/14/2021   06:54:30   (   0.09,-128.48) (  -0.26,-130.24)  199.66                80
 06/16/2021   06:39:39   (   0.10,-128.46) (   0.35,-127.28)  134.79                80
 06/16/2021   19:00:55   (  -0.10,-128.45) (   0.74,-132.44)  453.43                80