Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 5 15.  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)
 05/15/2019   19:19:23   (  -0.01,-137.21) (   0.00,-137.21)    1.98                80
 05/17/2019   19:09:53   (  -0.01,-137.20) (  -0.63,-134.26)  334.82                80
 05/18/2019   07:31:18   (   0.01,-137.18) (  -0.45,-139.46)  257.75                80
 05/20/2019   07:16:27   (   0.01,-137.17) (   0.14,-136.49)   77.06                80
 05/22/2019   07:04:17   (  -0.00,-137.15) (   0.78,-133.54)  411.35                80
 05/22/2019   19:25:33   (   0.00,-137.16) (   0.31,-138.70)  173.87                80
 05/24/2019   19:16:02   (   0.01,-137.14) (  -0.28,-135.73)  159.95                80
 05/25/2019   07:37:26   (  -0.01,-137.12) (  -0.84,-140.92)  432.10                80
 05/26/2019   19:03:52   (   0.01,-137.11) (  -0.94,-132.78)  493.24                80
 05/27/2019   07:25:16   (  -0.01,-137.10) (  -0.18,-137.97)   99.00                80