Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 13.  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)
 05/14/2019   18:38:56   (  -0.12,-128.37) (  -0.54,-126.52)  211.48                80
 05/15/2019   07:00:20   (   0.11,-128.35) (  -0.61,-131.70)  380.84                80
 05/17/2019   06:48:11   (   0.11,-128.38) (   0.06,-128.75)   42.19                80
 05/19/2019   06:33:21   (   0.12,-128.40) (   0.67,-125.80)  296.14                80
 05/19/2019   18:54:37   (  -0.11,-128.43) (   0.42,-130.95)  286.96                80
 05/21/2019   18:42:28   (  -0.12,-128.45) (  -0.24,-128.01)   50.68                80
 05/23/2019   18:30:18   (  -0.13,-128.46) (  -0.84,-125.05)  387.75                80
 05/24/2019   06:54:23   (   0.12,-128.44) (  -0.24,-130.25)  204.60                80
 05/26/2019   06:39:33   (   0.13,-128.46) (   0.35,-127.29)  132.15                80
 05/26/2019   19:03:29   (  -0.12,-128.48) (   0.75,-132.44)  451.73                80