Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 3 20.  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)
 03/20/2020   18:42:29   (   0.27,-128.23) (   0.20,-127.89)   38.94                80
 03/22/2020   18:30:17   (   0.27,-128.18) (  -0.44,-124.93)  369.94                80
 03/23/2020   06:54:20   (  -0.29,-128.11) (  -0.72,-130.11)  227.59                80
 03/25/2020   06:39:28   (  -0.28,-128.06) (  -0.07,-127.16)  103.09                80
 03/25/2020   19:03:23   (   0.30,-128.11) (   1.18,-132.32)  478.35                80
 03/27/2020   06:27:15   (  -0.28,-128.01) (   0.52,-124.20)  433.26                80
 03/27/2020   18:51:10   (   0.29,-128.05) (   0.59,-129.35)  148.34                80
 03/29/2020   18:36:18   (   0.28,-127.99) (  -0.06,-126.40)  180.93                80
 03/30/2020   07:00:21   (  -0.30,-127.92) (  -1.10,-131.58)  417.10                80
 04/01/2020   06:48:09   (  -0.29,-127.85) (  -0.45,-128.63)   88.89                80