Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 10.  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)
 09/11/2019   07:04:53   (  -0.02,-137.19) (   0.74,-133.51)  418.06                80
 09/11/2019   19:26:09   (   0.02,-137.18) (   0.35,-138.67)  168.88                80
 09/13/2019   19:16:39   (   0.01,-137.17) (  -0.28,-135.71)  165.38                80
 09/14/2019   07:38:04   (  -0.01,-137.17) (  -0.79,-140.91)  425.18                80
 09/15/2019   19:04:29   (   0.01,-137.15) (  -0.91,-132.76)  499.11                80
 09/16/2019   07:25:54   (  -0.01,-137.15) (  -0.16,-137.96)   91.59                80
 09/18/2019   07:11:04   (  -0.01,-137.12) (   0.45,-135.00)  241.41                80
 09/18/2019   19:32:20   (   0.01,-137.11) (   0.65,-140.16)  346.23                80
 09/20/2019   19:20:10   (   0.02,-137.08) (   0.05,-137.20)   14.27                80
 09/22/2019   19:10:40   (   0.03,-137.03) (  -0.54,-134.25)  316.55                80
 09/23/2019   07:32:05   (  -0.03,-137.03) (  -0.53,-139.44)  274.79                80