Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 29.  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)
 04/29/2019   07:00:08   (   0.09,-128.01) (  -0.68,-131.68)  417.08                80
 05/01/2019   06:47:58   (   0.09,-128.07) (  -0.02,-128.74)   75.61                80
 05/03/2019   06:33:08   (   0.09,-128.12) (   0.61,-125.79)  265.37                80
 05/03/2019   18:54:24   (  -0.09,-128.16) (   0.49,-130.95)  316.73                80
 05/05/2019   18:44:54   (  -0.10,-128.20) (  -0.11,-128.00)   23.37                80
 05/07/2019   18:32:46   (  -0.10,-128.24) (  -0.81,-125.06)  361.94                80
 05/08/2019   06:54:10   (   0.10,-128.22) (  -0.34,-130.25)  230.93                80
 05/10/2019   06:39:22   (   0.11,-128.25) (   0.33,-127.32)  106.55                80
 05/10/2019   19:00:38   (  -0.11,-128.28) (   0.80,-132.47)  476.71                80
 05/12/2019   06:27:14   (   0.12,-128.27) (   0.97,-124.38)  443.36                80
 05/12/2019   18:48:30   (  -0.11,-128.30) (   0.16,-129.53)  139.98                80