Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 6 1.  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)
 06/01/2020   18:38:47   (   0.14,-128.11) (  -0.22,-126.43)  191.10                80
 06/02/2020   06:57:31   (  -0.13,-128.07) (  -0.91,-131.62)  403.80                80
 06/04/2020   06:45:21   (  -0.13,-128.03) (  -0.29,-128.66)   72.68                80
 06/06/2020   06:33:12   (  -0.13,-127.98) (   0.37,-125.72)  257.82                80
 06/06/2020   18:54:27   (   0.12,-127.99) (   0.73,-130.87)  327.45                80
 06/08/2020   18:44:58   (   0.11,-127.94) (   0.08,-127.92)    3.87                80
 06/10/2020   18:32:49   (   0.11,-127.88) (  -0.49,-124.96)  331.91                80
 06/11/2020   06:54:13   (  -0.10,-127.85) (  -0.59,-130.16)  262.76                80
 06/13/2020   06:39:24   (  -0.10,-127.79) (   0.03,-127.21)   66.51                80