Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 6 18.  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)
 06/18/2020   19:19:29   (   0.02,-137.20) (   0.02,-137.20)    0.99                80
 06/20/2020   19:09:59   (   0.02,-137.19) (  -0.62,-134.25)  334.32                80
 06/21/2020   07:28:43   (  -0.02,-137.19) (  -0.51,-139.44)  256.41                80
 06/23/2020   07:19:13   (  -0.02,-137.17) (   0.13,-136.48)   77.73                80
 06/25/2020   07:07:03   (  -0.02,-137.14) (   0.77,-133.53)  411.20                80
 06/25/2020   19:25:39   (   0.01,-137.14) (   0.32,-138.69)  175.94                80
 06/27/2020   19:16:08   (   0.01,-137.11) (  -0.27,-135.73)  157.04                80
 06/28/2020   07:34:53   (  -0.01,-137.10) (  -0.80,-140.92)  434.11                80
 06/29/2020   19:03:58   (   0.01,-137.08) (  -0.91,-132.77)  489.46                80
 06/30/2020   07:22:42   (  -0.01,-137.07) (  -0.21,-137.96)  101.84                80