Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 25.  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)
 05/26/2019   06:39:30   (   0.13,-128.42) (   0.36,-127.27)  130.48                80
 05/26/2019   19:03:25   (  -0.12,-128.47) (   0.72,-132.43)  451.03                80
 05/28/2019   06:27:20   (   0.14,-128.42) (   1.01,-124.32)  466.55                80
 05/28/2019   18:51:15   (  -0.13,-128.47) (   0.08,-129.48)  114.98                80
 05/30/2019   18:36:25   (  -0.13,-128.46) (  -0.57,-126.53)  220.72                80
 05/31/2019   07:00:29   (   0.12,-128.42) (  -0.56,-131.71)  373.95                80
 06/02/2019   06:48:18   (   0.12,-128.41) (   0.03,-128.75)   39.21                80
 06/04/2019   06:33:28   (   0.13,-128.39) (   0.68,-125.80)  294.74                80
 06/04/2019   18:57:24   (  -0.12,-128.42) (   0.41,-130.96)  287.87                80
 06/06/2019   18:42:34   (  -0.13,-128.40) (  -0.24,-128.01)   45.15                80