Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 6.  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)
 04/06/2020   07:04:18   (  -0.03,-137.18) (   0.78,-133.52)  416.57                80
 04/06/2020   19:25:33   (   0.03,-137.19) (   0.33,-138.68)  168.48                80
 04/08/2020   19:16:01   (   0.03,-137.18) (  -0.29,-135.72)  165.74                80
 04/09/2020   07:37:25   (  -0.03,-137.16) (  -0.82,-140.91)  426.83                80
 04/10/2020   19:03:49   (   0.03,-137.15) (  -0.91,-132.77)  499.19                80
 04/11/2020   07:25:13   (  -0.03,-137.13) (  -0.21,-137.96)   93.62                80
 04/13/2020   07:10:21   (  -0.03,-137.10) (   0.40,-135.00)  238.79                80
 04/13/2020   19:31:37   (   0.02,-137.11) (   0.66,-140.16)  347.30                80
 04/15/2020   19:19:25   (   0.02,-137.07) (   0.06,-137.21)   15.63                80
 04/17/2020   19:09:54   (   0.01,-137.03) (  -0.59,-134.26)  315.89                80
 04/18/2020   07:31:18   (  -0.01,-137.01) (  -0.53,-139.45)  276.95                80