Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 7 3.  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)
 07/03/2020   18:39:06   (   0.04,-128.18) (  -0.30,-126.46)  195.47                80
 07/04/2020   07:00:31   (  -0.03,-128.20) (  -0.77,-131.66)  393.07                80
 07/06/2020   06:48:21   (  -0.03,-128.24) (  -0.11,-128.71)   52.72                80
 07/08/2020   06:33:30   (  -0.03,-128.28) (   0.49,-125.74)  287.53                80
 07/08/2020   18:54:46   (   0.02,-128.28) (   0.60,-130.90)  299.02                80
 07/10/2020   18:45:16   (   0.02,-128.31) (  -0.06,-127.95)   41.21                80
 07/12/2020   18:33:05   (   0.02,-128.35) (  -0.66,-124.99)  381.28                80
 07/13/2020   06:54:29   (  -0.02,-128.37) (  -0.40,-130.19)  206.48                80
 07/15/2020   06:39:39   (  -0.02,-128.40) (   0.21,-127.23)  132.89                80
 07/15/2020   19:00:54   (   0.02,-128.39) (   0.88,-132.39)  455.07                80