Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 13.  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)
 09/13/2019   19:16:39   (   0.02,-137.17) (  -0.29,-135.71)  165.64                80
 09/14/2019   07:38:03   (  -0.02,-137.17) (  -0.84,-140.90)  425.33                80
 09/15/2019   19:04:29   (   0.01,-137.15) (  -0.92,-132.76)  499.32                80
 09/16/2019   07:25:53   (  -0.02,-137.15) (  -0.21,-137.95)   91.82                80
 09/18/2019   07:11:03   (  -0.02,-137.12) (   0.41,-134.99)  241.16                80
 09/18/2019   19:32:19   (   0.02,-137.11) (   0.69,-140.15)  346.11                80
 09/20/2019   19:20:09   (   0.03,-137.08) (   0.08,-137.20)   14.57                80
 09/22/2019   19:10:40   (   0.03,-137.03) (  -0.58,-134.25)  316.51                80
 09/23/2019   07:32:04   (  -0.04,-137.02) (  -0.55,-139.44)  275.24                80
 09/25/2019   07:17:14   (  -0.04,-136.96) (   0.04,-136.48)   54.41                80