Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 4 10.  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)
 04/10/2020   06:39:18   (  -0.29,-127.71) (  -0.18,-127.14)   63.86                80
 04/12/2020   06:27:07   (  -0.28,-127.78) (   0.48,-124.20)  407.04                80
 04/12/2020   18:48:23   (   0.28,-127.83) (   0.58,-129.36)  173.53                80
 04/14/2020   18:38:51   (   0.28,-127.90) (  -0.01,-126.40)  169.14                80
 04/15/2020   07:00:16   (  -0.28,-127.88) (  -1.06,-131.61)  423.23                80
 04/17/2020   06:48:05   (  -0.27,-127.95) (  -0.42,-128.66)   80.98                80
 04/19/2020   06:33:14   (  -0.27,-128.01) (   0.21,-125.71)  261.13                80
 04/19/2020   18:54:30   (   0.27,-128.05) (   0.87,-130.87)  320.36                80
 04/21/2020   18:44:59   (   0.27,-128.11) (   0.25,-127.92)   21.59                80
 04/23/2020   18:32:49   (   0.27,-128.17) (  -0.41,-124.98)  362.69                80