Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 6 17.  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)
 06/18/2019   06:48:24   (   0.11,-128.21) (   0.02,-128.74)   60.56                80
 06/20/2019   06:33:34   (   0.13,-128.16) (   0.62,-125.78)  270.43                80
 06/20/2019   18:57:29   (  -0.11,-128.19) (   0.46,-130.94)  312.03                80
 06/22/2019   18:42:38   (  -0.12,-128.14) (  -0.15,-127.98)   18.82                80
 06/24/2019   18:30:27   (  -0.13,-128.09) (  -0.75,-125.02)  349.42                80
 06/25/2019   06:54:31   (   0.10,-128.04) (  -0.37,-130.20)  246.25                80
 06/27/2019   06:39:40   (   0.11,-127.98) (   0.25,-127.24)   83.83                80
 06/27/2019   19:03:36   (  -0.09,-128.01) (   0.84,-132.40)  499.64                80
 06/29/2019   06:27:29   (   0.12,-127.92) (   0.86,-124.28)  413.28                80
 06/29/2019   18:51:25   (  -0.09,-127.94) (   0.23,-129.44)  170.26                80