Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 8.  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)
 05/08/2019   06:54:09   (   0.10,-128.24) (  -0.31,-130.21)  223.97                80
 05/10/2019   06:39:19   (   0.11,-128.27) (   0.30,-127.25)  115.37                80
 05/10/2019   19:00:35   (  -0.11,-128.30) (   0.79,-132.41)  467.72                80
 05/12/2019   06:27:10   (   0.11,-128.30) (   0.96,-124.31)  454.13                80
 05/12/2019   18:48:26   (  -0.11,-128.33) (   0.13,-129.46)  128.97                80
 05/14/2019   18:38:57   (  -0.12,-128.36) (  -0.51,-126.52)  209.58                80
 05/15/2019   07:00:22   (   0.11,-128.34) (  -0.58,-131.71)  382.36                80
 05/17/2019   06:48:13   (   0.11,-128.37) (   0.06,-128.76)   44.31                80
 05/19/2019   06:33:24   (   0.12,-128.39) (   0.68,-125.81)  293.32                80
 05/19/2019   18:57:20   (  -0.11,-128.41) (   0.43,-130.97)  290.47                80
 05/21/2019   18:45:11   (  -0.12,-128.43) (  -0.18,-128.01)   46.42                80