Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 6 22.  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)
 06/24/2020   18:42:27   (   0.06,-127.94) (   0.07,-127.93)    2.28                80
 06/26/2020   18:32:57   (   0.06,-128.00) (  -0.57,-124.97)  343.65                80
 06/27/2020   06:54:21   (  -0.05,-128.02) (  -0.50,-130.17)  244.30                80
 06/29/2020   06:39:31   (  -0.05,-128.07) (   0.15,-127.22)   97.55                80
 06/29/2020   19:00:47   (   0.04,-128.07) (   0.94,-132.38)  489.03                80
 07/01/2020   06:27:21   (  -0.05,-128.12) (   0.80,-124.27)  438.93                80
 07/01/2020   18:48:37   (   0.04,-128.12) (   0.29,-129.43)  147.69                80
 07/03/2020   18:39:06   (   0.04,-128.16) (  -0.30,-126.46)  193.07                80
 07/04/2020   07:00:31   (  -0.04,-128.19) (  -0.77,-131.66)  394.31                80
 07/06/2020   06:48:21   (  -0.04,-128.23) (  -0.12,-128.71)   54.25                80