Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 8.  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)
 08/09/2020   06:33:40   (   0.02,-128.24) (   0.58,-125.74)  284.55                80
 08/09/2020   18:54:55   (  -0.02,-128.21) (   0.55,-130.89)  304.21                80
 08/11/2020   18:45:24   (  -0.02,-128.16) (  -0.08,-127.93)   26.17                80
 08/13/2020   18:33:13   (  -0.02,-128.10) (  -0.71,-124.97)  355.76                80
 08/14/2020   06:54:37   (   0.01,-128.09) (  -0.42,-130.16)  234.80                80
 08/16/2020   06:39:46   (   0.02,-128.02) (   0.22,-127.20)   93.80                80
 08/16/2020   19:01:00   (  -0.01,-127.98) (   0.91,-132.35)  496.43                80
 08/18/2020   06:27:34   (   0.02,-127.95) (   0.79,-124.23)  421.68                80
 08/18/2020   18:48:50   (  -0.02,-127.91) (   0.27,-129.39)  168.56                80
 08/20/2020   18:39:18   (  -0.03,-127.83) (  -0.30,-126.42)  158.99                80
 08/21/2020   07:00:42   (   0.02,-127.83) (  -0.76,-131.62)  431.16                80