Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 4.  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)
 08/04/2020   18:39:17   (  -0.01,-128.32) (  -0.38,-126.46)  210.96                80
 08/05/2020   07:00:42   (   0.01,-128.33) (  -0.69,-131.66)  378.02                80
 08/07/2020   06:48:31   (   0.02,-128.31) (  -0.07,-128.70)   44.58                80
 08/09/2020   06:33:40   (   0.02,-128.28) (   0.55,-125.74)  288.64                80
 08/09/2020   18:54:55   (  -0.02,-128.25) (   0.51,-130.90)  300.76                80
 08/11/2020   18:45:24   (  -0.02,-128.21) (  -0.05,-127.93)   32.20                80
 08/13/2020   18:33:13   (  -0.02,-128.18) (  -0.68,-124.97)  364.17                80
 08/14/2020   06:54:37   (   0.01,-128.19) (  -0.39,-130.17)  224.50                80
 08/16/2020   06:39:46   (   0.01,-128.14) (   0.24,-127.21)  106.59                80
 08/16/2020   19:01:01   (  -0.01,-128.10) (   0.89,-132.36)  484.35                80