Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 6 11.  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)
 06/11/2019   06:39:37   (   0.13,-128.33) (   0.34,-127.27)  120.34                80
 06/11/2019   19:03:32   (  -0.12,-128.36) (   0.74,-132.43)  462.38                80
 06/13/2019   06:27:27   (   0.14,-128.30) (   1.00,-124.32)  453.44                80
 06/13/2019   18:51:21   (  -0.12,-128.33) (   0.14,-129.47)  129.30                80
 06/15/2019   18:36:31   (  -0.13,-128.30) (  -0.52,-126.52)  203.34                80
 06/16/2019   07:00:35   (   0.11,-128.26) (  -0.60,-131.70)  391.28                80
 06/18/2019   06:48:24   (   0.11,-128.22) (   0.00,-128.74)   59.36                80
 06/20/2019   06:33:33   (   0.13,-128.18) (   0.61,-125.78)  272.12                80
 06/20/2019   18:57:29   (  -0.11,-128.20) (   0.48,-130.94)  311.51                80
 06/22/2019   18:45:18   (  -0.12,-128.16) (  -0.13,-127.98)   19.97                80
 06/24/2019   18:30:28   (  -0.13,-128.11) (  -0.80,-125.03)  350.88                80