Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 15.  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)
 05/15/2019   07:00:20   (   0.11,-128.35) (  -0.61,-131.69)  380.50                80
 05/17/2019   06:48:10   (   0.11,-128.38) (   0.02,-128.74)   41.60                80
 05/19/2019   06:33:20   (   0.12,-128.40) (   0.66,-125.79)  296.86                80
 05/19/2019   18:54:35   (  -0.11,-128.43) (   0.42,-130.94)  285.64                80
 05/21/2019   18:42:43   (  -0.12,-128.45) (  -0.22,-127.99)   52.23                63
 05/23/2019   18:30:16   (  -0.13,-128.47) (  -0.87,-125.04)  389.72                80
 05/24/2019   06:54:19   (   0.12,-128.44) (  -0.26,-130.23)  203.05                80
 05/26/2019   06:39:29   (   0.13,-128.45) (   0.40,-127.28)  134.10                80
 05/26/2019   19:03:25   (  -0.12,-128.48) (   0.69,-132.43)  449.11                80
 05/28/2019   06:27:19   (   0.14,-128.46) (   1.00,-124.31)  471.06                80
 05/28/2019   18:51:14   (  -0.13,-128.49) (   0.09,-129.47)  112.15                80