Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 23.  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)
 09/23/2019   07:32:00   (  -0.02,-137.20) (  -0.49,-139.43)  253.55                80
 09/25/2019   07:17:09   (  -0.02,-137.19) (   0.12,-136.47)   81.17                80
 09/27/2019   07:04:59   (  -0.00,-137.17) (   0.79,-133.53)  415.11                80
 09/27/2019   19:28:55   (  -0.00,-137.18) (   0.29,-138.69)  171.15                80
 09/29/2019   19:16:44   (  -0.01,-137.16) (  -0.32,-135.73)  162.62                80
 09/30/2019   07:38:08   (   0.01,-137.15) (  -0.80,-140.92)  428.97                80
 10/01/2019   19:04:33   (  -0.02,-137.13) (  -0.94,-132.77)  495.79                80
 10/02/2019   07:23:17   (   0.02,-137.12) (  -0.18,-137.96)   95.99                80
 10/04/2019   07:13:46   (   0.01,-137.09) (   0.45,-135.00)  236.92                80
 10/04/2019   19:32:22   (  -0.01,-137.08) (   0.64,-140.16)  349.86                80
 10/06/2019   19:20:11   (  -0.00,-137.04) (   0.02,-137.20)   17.78                80