Simultaneous Nadir Overpasses (SNOs) between GOES-16 and LANDSAT-8
TLE Epoch: 2021 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2021   02:57:18   (   0.03, -75.19) (   0.78, -71.74)  392.44                80
 06/20/2021   15:21:13   (  -0.03, -75.20) (   0.36, -76.89)  192.15                80
 06/22/2021   15:06:23   (  -0.03, -75.18) (  -0.32, -73.94)  141.02                80
 06/23/2021   03:30:26   (   0.02, -75.15) (  -0.81, -79.13)  452.12                80
 06/24/2021   14:54:12   (  -0.03, -75.15) (  -0.94, -70.98)  474.19                80
 06/25/2021   03:18:15   (   0.03, -75.12) (  -0.19, -76.17)  118.86                80
 06/27/2021   03:03:25   (   0.04, -75.10) (   0.43, -73.21)  214.95                80
 06/27/2021   15:27:20   (  -0.03, -75.12) (   0.64, -78.37)  369.42                80
 06/29/2021   15:15:09   (  -0.03, -75.11) (   0.02, -75.41)   34.32                80
 07/01/2021   15:00:18   (  -0.04, -75.10) (  -0.61, -72.45)  301.82                80
 07/02/2021   03:24:22   (   0.03, -75.09) (  -0.51, -77.64)  290.06                80