Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 17.  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)
 04/17/2020   19:09:51   (   0.03,-137.20) (  -0.58,-134.24)  335.57                80
 04/18/2020   07:31:16   (  -0.03,-137.19) (  -0.48,-139.45)  256.29                80
 04/20/2020   07:16:23   (  -0.03,-137.20) (   0.11,-136.48)   81.08                80
 04/22/2020   07:04:11   (  -0.03,-137.21) (   0.75,-133.53)  417.94                80
 04/22/2020   19:25:26   (   0.02,-137.23) (   0.36,-138.69)  166.71                80
 04/24/2020   19:15:54   (   0.02,-137.23) (  -0.29,-135.73)  169.31                80
 04/25/2020   07:37:18   (  -0.02,-137.21) (  -0.82,-140.93)  422.87                80
 04/27/2020   07:25:06   (  -0.02,-137.20) (  -0.17,-137.98)   88.10                80
 04/29/2020   07:10:13   (  -0.01,-137.18) (   0.43,-135.01)  245.78                80
 04/29/2020   19:31:29   (   0.01,-137.19) (   0.63,-140.18)  339.88                80