Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 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)
 05/12/2019   06:27:10   (   0.11,-128.30) (   0.95,-124.30)  454.71                80
 05/12/2019   18:48:26   (  -0.11,-128.34) (   0.14,-129.46)  128.09                80
 05/14/2019   18:38:57   (  -0.12,-128.37) (  -0.51,-126.51)  210.83                80
 05/15/2019   07:00:21   (   0.11,-128.35) (  -0.58,-131.71)  381.23                80
 05/17/2019   06:48:13   (   0.11,-128.38) (   0.06,-128.76)   42.81                80
 05/19/2019   06:33:24   (   0.12,-128.40) (   0.68,-125.81)  295.13                80
 05/19/2019   18:57:19   (  -0.11,-128.43) (   0.43,-130.97)  288.37                80
 05/21/2019   18:45:10   (  -0.12,-128.45) (  -0.19,-128.01)   48.86                80
 05/23/2019   18:30:23   (  -0.13,-128.46) (  -0.85,-125.07)  385.46                80
 05/24/2019   06:54:27   (   0.12,-128.44) (  -0.24,-130.27)  206.72                80