Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 6 11.  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)
 06/11/2020   19:15:59   (   0.02,-137.19) (  -0.29,-135.72)  166.43                80
 06/12/2020   07:34:44   (  -0.02,-137.18) (  -0.79,-140.92)  424.44                80
 06/14/2020   07:25:14   (  -0.02,-137.19) (  -0.15,-137.97)   88.18                80
 06/16/2020   07:10:23   (  -0.02,-137.18) (   0.43,-135.00)  247.76                80
 06/16/2020   19:31:39   (   0.02,-137.19) (   0.66,-140.16)  338.24                80
 06/18/2020   19:19:29   (   0.01,-137.18) (   0.02,-137.21)    3.32                80
 06/20/2020   19:09:59   (   0.01,-137.16) (  -0.62,-134.25)  330.61                80
 06/21/2020   07:31:23   (  -0.01,-137.15) (  -0.51,-139.44)  260.90                80
 06/23/2020   07:16:33   (  -0.00,-137.12) (   0.14,-136.49)   71.93                80