Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 05/06/2021   19:09:45   (   0.05,-137.20) (  -0.55,-134.24)  335.38                80
 05/07/2021   07:28:29   (  -0.04,-137.18) (  -0.54,-139.44)  256.75                80
 05/09/2021   07:18:57   (  -0.04,-137.18) (   0.13,-136.49)   78.78                80
 05/11/2021   07:06:44   (  -0.04,-137.16) (   0.75,-133.53)  413.53                80
 05/11/2021   19:25:19   (   0.04,-137.17) (   0.36,-138.68)  171.90                80
 05/13/2021   19:15:46   (   0.03,-137.15) (  -0.26,-135.73)  161.87                80
 05/14/2021   07:34:29   (  -0.03,-137.13) (  -0.83,-140.92)  430.73                80
 05/15/2021   19:03:33   (   0.03,-137.12) (  -0.89,-132.77)  494.76                80
 05/16/2021   07:24:56   (  -0.02,-137.10) (  -0.20,-137.96)   98.04                80
 05/18/2021   07:10:03   (  -0.02,-137.06) (   0.42,-135.00)  234.00                80
 05/18/2021   19:31:18   (   0.02,-137.06) (   0.69,-140.16)  352.23                80