Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 4 9.  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) (  -0.19,-127.14)   63.62                80
 04/12/2020   06:27:07   (  -0.28,-127.78) (   0.47,-124.20)  406.51                80
 04/12/2020   18:48:23   (   0.28,-127.83) (   0.60,-129.36)  174.30                80
 04/14/2020   18:38:52   (   0.28,-127.89) (  -0.04,-126.41)  168.01                80
 04/15/2020   07:00:16   (  -0.28,-127.88) (  -1.09,-131.60)  424.21                80
 04/17/2020   06:48:06   (  -0.27,-127.94) (  -0.41,-128.67)   82.31                80
 04/19/2020   06:33:15   (  -0.27,-128.00) (   0.20,-125.71)  259.49                80
 04/19/2020   18:54:31   (   0.27,-128.04) (   0.88,-130.88)  322.30                80
 04/21/2020   18:45:01   (   0.27,-128.10) (   0.22,-127.93)   19.18                80