Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 2 18.  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)
 02/19/2021   18:42:45   (   0.14,-128.05) (   0.08,-127.90)   17.69                80
 02/21/2021   18:30:34   (   0.14,-128.10) (  -0.54,-124.95)  359.25                80
 02/22/2021   06:54:36   (  -0.15,-128.04) (  -0.62,-130.13)  237.44                80
 02/24/2021   06:39:45   (  -0.14,-128.09) (   0.07,-127.18)  103.61                80
 02/24/2021   19:03:40   (   0.15,-128.17) (   1.05,-132.33)  473.55                80
 02/26/2021   06:27:33   (  -0.14,-128.13) (   0.70,-124.23)  444.24                80
 02/26/2021   18:51:28   (   0.15,-128.21) (   0.41,-129.38)  132.96                80
 02/28/2021   18:36:36   (   0.15,-128.25) (  -0.23,-126.42)  207.39                80
 03/01/2021   07:00:40   (  -0.16,-128.19) (  -0.88,-131.62)  389.37                80
 03/03/2021   06:48:28   (  -0.16,-128.22) (  -0.24,-128.66)   49.74                80