Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 26.  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)
 05/27/2021   07:07:00   (  -0.04,-137.19) (   0.74,-133.54)  414.65                80
 05/27/2021   19:25:36   (   0.04,-137.20) (   0.35,-138.70)  170.85                80
 05/29/2021   19:16:06   (   0.03,-137.18) (  -0.30,-135.75)  163.64                80
 05/30/2021   07:37:30   (  -0.03,-137.17) (  -0.83,-140.93)  428.33                80
 05/31/2021   19:03:55   (   0.03,-137.17) (  -0.88,-132.78)  497.86                80
 06/01/2021   07:25:20   (  -0.03,-137.15) (  -0.19,-137.98)   94.12                80
 06/03/2021   07:10:29   (  -0.02,-137.13) (   0.41,-135.02)  240.09                80
 06/03/2021   19:31:45   (   0.02,-137.14) (   0.68,-140.18)  345.78                80
 06/05/2021   19:19:35   (   0.02,-137.12) (   0.02,-137.23)   12.13                80
 06/07/2021   19:10:04   (   0.02,-137.09) (  -0.57,-134.26)  321.23                80
 06/08/2021   07:31:28   (  -0.02,-137.07) (  -0.55,-139.45)  270.91                80