Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 6 16.  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)
 06/16/2019   07:00:35   (   0.11,-128.25) (  -0.62,-131.70)  391.93                80
 06/18/2019   06:48:24   (   0.11,-128.21) (  -0.02,-128.73)   60.46                80
 06/20/2019   06:33:34   (   0.13,-128.16) (   0.65,-125.79)  270.67                80
 06/20/2019   18:57:29   (  -0.11,-128.19) (   0.50,-130.93)  311.97                80
 06/22/2019   18:42:39   (  -0.12,-128.15) (  -0.17,-127.98)   19.03                80
 06/24/2019   18:30:28   (  -0.13,-128.10) (  -0.78,-125.02)  349.67                80
 06/25/2019   06:54:32   (   0.10,-128.05) (  -0.34,-130.21)  245.77                80
 06/27/2019   06:39:41   (   0.11,-127.99) (   0.27,-127.25)   84.37                80
 06/27/2019   19:03:36   (  -0.09,-128.01) (   0.82,-132.41)  499.24                80
 06/29/2019   06:27:30   (   0.12,-127.93) (   0.88,-124.29)  413.95                80
 06/29/2019   18:51:26   (  -0.09,-127.95) (   0.21,-129.45)  169.77                80