Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 7 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)
 07/04/2020   07:00:31   (  -0.03,-128.20) (  -0.74,-131.66)  393.27                80
 07/06/2020   06:48:20   (  -0.03,-128.24) (  -0.14,-128.70)   52.99                80
 07/08/2020   06:33:30   (  -0.03,-128.27) (   0.52,-125.75)  287.13                80
 07/08/2020   18:54:46   (   0.02,-128.27) (   0.57,-130.91)  299.28                80
 07/10/2020   18:45:15   (   0.02,-128.31) (  -0.03,-127.95)   40.94                80
 07/12/2020   18:33:05   (   0.02,-128.35) (  -0.69,-125.00)  380.80                80
 07/13/2020   06:54:29   (  -0.01,-128.37) (  -0.43,-130.18)  207.17                80
 07/15/2020   06:39:39   (  -0.02,-128.40) (   0.24,-127.24)  132.10                80
 07/15/2020   19:00:55   (   0.01,-128.38) (   0.85,-132.39)  455.71                80
 07/17/2020   06:27:28   (  -0.02,-128.42) (   0.85,-124.27)  470.68                80
 07/17/2020   18:48:44   (   0.02,-128.40) (   0.24,-129.43)  117.15                80