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)  417.96                80
 09/11/2019   19:26:09   (   0.02,-137.19) (   0.35,-138.67)  168.83                80
 09/13/2019   19:16:39   (   0.01,-137.17) (  -0.28,-135.71)  165.36                80
 09/14/2019   07:38:04   (  -0.02,-137.17) (  -0.80,-140.91)  425.37                80
 09/15/2019   19:04:29   (   0.01,-137.15) (  -0.90,-132.76)  499.01                80
 09/16/2019   07:25:54   (  -0.01,-137.15) (  -0.18,-137.96)   91.86                80
 09/18/2019   07:11:04   (  -0.01,-137.12) (   0.43,-135.00)  241.02                80
 09/18/2019   19:32:20   (   0.02,-137.11) (   0.67,-140.16)  346.49                80
 09/20/2019   19:20:10   (   0.02,-137.08) (   0.08,-137.20)   15.06                80
 09/22/2019   19:10:41   (   0.03,-137.03) (  -0.56,-134.25)  315.98                80
 09/23/2019   07:32:06   (  -0.03,-137.02) (  -0.52,-139.45)  275.55                80