Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 5.  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)
 05/05/2019   18:44:54   (  -0.09,-128.21) (  -0.12,-127.96)   27.58                80
 05/07/2019   18:32:45   (  -0.10,-128.25) (  -0.81,-125.02)  367.60                80
 05/08/2019   06:54:08   (   0.10,-128.23) (  -0.34,-130.21)  224.50                80
 05/10/2019   06:39:19   (   0.11,-128.27) (   0.34,-127.26)  114.50                80
 05/10/2019   19:00:35   (  -0.11,-128.30) (   0.75,-132.42)  468.61                80
 05/12/2019   06:27:10   (   0.11,-128.29) (   0.95,-124.31)  452.94                80
 05/12/2019   18:48:25   (  -0.11,-128.32) (   0.15,-129.46)  130.21                80
 05/14/2019   18:38:56   (  -0.12,-128.35) (  -0.51,-126.52)  208.03                80
 05/15/2019   07:00:21   (   0.11,-128.33) (  -0.58,-131.71)  384.06                80
 05/17/2019   06:48:11   (   0.11,-128.35) (   0.01,-128.75)   46.29                80