Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2020   18:39:14   (   0.00,-128.38) (  -0.42,-126.48)  217.00                80
 07/20/2020   07:00:37   (   0.00,-128.40) (  -0.71,-131.66)  371.63                80
 07/22/2020   06:48:27   (   0.01,-128.40) (  -0.05,-128.72)   35.42                80
 07/24/2020   06:33:37   (   0.02,-128.40) (   0.56,-125.75)  300.36                80
 07/24/2020   18:54:52   (  -0.02,-128.38) (   0.51,-130.91)  288.02                80
 07/26/2020   18:45:21   (  -0.02,-128.38) (  -0.10,-127.95)   47.74                80
 07/28/2020   18:33:10   (  -0.01,-128.37) (  -0.71,-124.99)  383.07                80
 07/29/2020   06:54:35   (   0.01,-128.38) (  -0.36,-130.19)  205.27                80
 07/31/2020   06:39:43   (  -0.02,-128.36) (   0.20,-127.22)  129.73                80
 07/31/2020   19:00:59   (   0.01,-128.33) (   0.88,-132.38)  459.95                80