Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 3 7.  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)
 03/07/2021   18:45:18   (   0.16,-128.39) (   0.08,-127.90)   54.79                80
 03/09/2021   18:30:26   (   0.15,-128.41) (  -0.57,-124.95)  393.24                80
 03/10/2021   06:54:30   (  -0.16,-128.33) (  -0.53,-130.14)  206.00                80
 03/12/2021   06:39:37   (  -0.15,-128.35) (   0.07,-127.17)  132.59                80
 03/12/2021   19:00:53   (   0.16,-128.44) (   0.98,-132.34)  443.77                80
 03/14/2021   06:27:25   (  -0.15,-128.37) (   0.73,-124.22)  471.12                80
 03/14/2021   18:48:40   (   0.16,-128.46) (   0.37,-129.38)  105.23                80
 03/16/2021   18:39:08   (   0.15,-128.47) (  -0.29,-126.43)  233.01                80
 03/17/2021   07:00:31   (  -0.16,-128.39) (  -0.87,-131.61)  366.00                80
 03/19/2021   06:48:19   (  -0.15,-128.40) (  -0.20,-128.66)   28.68                80