Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 10.  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)
 05/10/2019   06:39:19   (   0.11,-128.27) (   0.30,-127.25)  115.58                80
 05/10/2019   19:00:35   (  -0.11,-128.30) (   0.80,-132.41)  467.38                80
 05/12/2019   06:27:10   (   0.11,-128.30) (   0.95,-124.30)  454.53                80
 05/12/2019   18:48:26   (  -0.11,-128.34) (   0.14,-129.46)  128.44                80
 05/14/2019   18:38:57   (  -0.12,-128.37) (  -0.50,-126.51)  210.33                80
 05/15/2019   07:00:22   (   0.11,-128.35) (  -0.59,-131.71)  381.65                80
 05/17/2019   06:48:13   (   0.11,-128.38) (   0.03,-128.76)   43.35                80
 05/19/2019   06:33:24   (   0.12,-128.40) (   0.65,-125.81)  294.36                80
 05/19/2019   18:57:21   (  -0.11,-128.42) (   0.40,-130.97)  289.34                80
 05/21/2019   18:42:32   (  -0.12,-128.44) (  -0.20,-128.02)   47.66                80
 05/23/2019   18:30:24   (  -0.13,-128.45) (  -0.85,-125.08)  384.11                80