Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 26.  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)
 08/27/2020   18:42:49   (   0.01,-127.57) (   0.10,-127.91)   38.45                80
 08/29/2020   18:33:20   (   0.01,-127.48) (  -0.55,-124.96)  287.74                80
 08/30/2020   06:54:43   (  -0.02,-127.48) (  -0.59,-130.14)  302.85                80
 09/01/2020   06:39:52   (  -0.01,-127.39) (   0.01,-127.18)   23.18                80
 09/03/2020   06:27:42   (  -0.01,-127.29) (   0.66,-124.23)  348.88                80
 09/03/2020   18:48:57   (   0.02,-127.25) (   0.48,-129.38)  242.37                80
 09/05/2020   18:39:26   (   0.01,-127.15) (  -0.11,-126.41)   83.30                80
 09/07/2020   18:27:16   (   0.01,-127.05) (  -0.77,-123.47)  408.43                80
 09/08/2020   06:48:40   (  -0.02,-127.05) (  -0.35,-128.65)  181.79                80