Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 5 19.  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)
 05/19/2020   19:09:43   (   0.03,-137.20) (  -0.61,-134.25)  335.18                80
 05/20/2020   07:28:27   (  -0.03,-137.19) (  -0.51,-139.44)  255.36                80
 05/22/2020   07:16:16   (  -0.02,-137.20) (   0.11,-136.48)   81.72                80
 05/24/2020   07:04:06   (  -0.02,-137.20) (   0.79,-133.53)  417.76                80
 05/24/2020   19:25:21   (   0.02,-137.20) (   0.35,-138.68)  168.26                80
 05/26/2020   19:15:50   (   0.01,-137.19) (  -0.28,-135.72)  166.69                80
 05/27/2020   07:37:15   (  -0.01,-137.18) (  -0.78,-140.92)  424.52                80
 05/29/2020   07:25:04   (  -0.00,-137.16) (  -0.15,-137.96)   90.38                80
 05/31/2020   07:10:13   (   0.00,-137.14) (   0.48,-135.00)  243.45                80
 05/31/2020   19:31:28   (  -0.00,-137.13) (   0.67,-140.15)  343.20                80