Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 7 16.  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)
 07/17/2020   06:27:29   (  -0.01,-128.38) (   0.87,-124.28)  466.91                80
 07/17/2020   18:48:43   (   0.01,-128.37) (   0.26,-129.42)  120.20                80
 07/19/2020   18:39:14   (   0.02,-128.38) (  -0.40,-126.48)  217.10                80
 07/20/2020   07:00:37   (  -0.02,-128.40) (  -0.73,-131.66)  371.51                80
 07/22/2020   06:48:26   (  -0.02,-128.40) (  -0.12,-128.70)   35.35                80
 07/24/2020   06:33:36   (  -0.00,-128.39) (   0.55,-125.75)  300.21                80
 07/24/2020   18:54:52   (  -0.02,-128.37) (   0.53,-130.91)  288.62                80
 07/26/2020   18:45:21   (  -0.02,-128.37) (  -0.08,-127.95)   47.01                80
 07/28/2020   18:33:10   (   0.02,-128.36) (  -0.70,-124.99)  382.71                80
 07/29/2020   06:54:34   (  -0.01,-128.37) (  -0.43,-130.18)  205.75                80