Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 6 25.  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)
 06/26/2020   18:32:57   (   0.05,-128.00) (  -0.58,-124.97)  344.14                80
 06/27/2020   06:54:21   (  -0.04,-128.03) (  -0.49,-130.17)  243.87                80
 06/29/2020   06:39:31   (  -0.05,-128.08) (   0.16,-127.22)   98.24                80
 06/29/2020   19:00:47   (   0.04,-128.08) (   0.93,-132.38)  488.17                80
 07/01/2020   06:27:21   (  -0.05,-128.13) (   0.81,-124.27)  439.87                80
 07/01/2020   18:48:36   (   0.04,-128.13) (   0.34,-129.41)  146.57                80
 07/03/2020   18:39:06   (   0.04,-128.18) (  -0.31,-126.46)  194.44                80
 07/04/2020   07:00:31   (  -0.04,-128.20) (  -0.76,-131.66)  392.98                80
 07/06/2020   06:48:20   (  -0.04,-128.24) (  -0.16,-128.70)   52.68                80
 07/08/2020   06:33:30   (  -0.03,-128.28) (   0.50,-125.75)  287.60                80
 07/08/2020   18:54:46   (   0.03,-128.27) (   0.59,-130.91)  300.04                80