Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 10.  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)
 08/11/2020   18:45:23   (  -0.01,-128.16) (  -0.06,-127.93)   26.49                80
 08/13/2020   18:33:12   (  -0.01,-128.10) (  -0.69,-124.97)  356.21                80
 08/14/2020   06:54:36   (   0.01,-128.10) (  -0.44,-130.16)  234.51                80
 08/16/2020   06:39:45   (   0.01,-128.03) (   0.20,-127.20)   94.13                80
 08/16/2020   19:01:00   (  -0.01,-127.99) (   0.93,-132.35)  495.81                80
 08/18/2020   06:27:34   (   0.02,-127.95) (   0.84,-124.24)  422.14                80
 08/18/2020   18:48:49   (  -0.02,-127.91) (   0.29,-129.39)  167.83                80
 08/20/2020   18:39:18   (  -0.02,-127.83) (  -0.35,-126.43)  159.81                80
 08/21/2020   07:00:42   (   0.02,-127.83) (  -0.77,-131.62)  430.56                80
 08/22/2020   18:27:06   (  -0.03,-127.75) (  -0.93,-123.47)  487.13                80
 08/23/2020   06:48:30   (   0.02,-127.75) (  -0.19,-128.65)  103.39                80