Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 1.  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)
 09/02/2019   07:10:57   (  -0.01,-137.19) (   0.45,-134.99)  250.62                80
 09/02/2019   19:34:52   (   0.02,-137.19) (   0.62,-140.15)  335.74                80
 09/04/2019   19:20:01   (   0.02,-137.18) (  -0.00,-137.19)    2.55                80
 09/06/2019   19:07:51   (   0.03,-137.16) (  -0.63,-134.23)  333.51                80
 09/07/2019   07:31:54   (  -0.03,-137.15) (  -0.50,-139.42)  257.47                80
 09/09/2019   07:17:03   (  -0.03,-137.13) (   0.13,-136.46)   76.18                80
 09/11/2019   07:04:52   (  -0.03,-137.10) (   0.76,-133.51)  409.30                80
 09/11/2019   19:26:07   (   0.03,-137.09) (   0.38,-138.65)  177.77                80
 09/13/2019   19:16:36   (   0.03,-137.06) (  -0.25,-135.70)  154.91                80
 09/14/2019   07:38:00   (  -0.03,-137.05) (  -0.86,-140.89)  436.30                80