Simultaneous Nadir Overpasses (SNOs) between GOES-16 and LANDSAT-8
TLE Epoch: 2021 7 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)
 07/18/2021   03:24:25   (   0.01, -75.19) (  -0.49, -77.62)  276.15                80
 07/20/2021   03:09:35   (   0.01, -75.21) (   0.14, -74.67)   61.93                80
 07/22/2021   02:57:25   (   0.01, -75.23) (   0.77, -71.71)  400.10                80
 07/22/2021   15:21:20   (   0.00, -75.26) (   0.37, -76.86)  182.46                80
 07/24/2021   15:06:31   (  -0.01, -75.29) (  -0.32, -73.92)  156.50                80
 07/25/2021   03:30:34   (  -0.01, -75.28) (  -0.82, -79.10)  435.25                80
 07/26/2021   14:54:21   (  -0.01, -75.33) (  -0.95, -70.97)  496.33                80
 07/27/2021   03:18:24   (  -0.00, -75.32) (  -0.19, -76.15)   95.16                80
 07/29/2021   03:03:34   (   0.01, -75.36) (   0.44, -73.20)  245.86                80
 07/29/2021   15:27:30   (   0.01, -75.40) (   0.64, -78.35)  336.21                80
 07/31/2021   15:15:20   (   0.01, -75.45) (   0.01, -75.40)    6.07                80