Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 1 6.  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)
 01/07/2020   06:27:48   (   0.05,-128.39) (   0.90,-124.26)  469.20                80
 01/07/2020   18:51:44   (  -0.04,-128.37) (   0.17,-129.42)  119.77                80
 01/09/2020   18:36:52   (  -0.04,-128.38) (  -0.43,-126.46)  217.91                80
 01/10/2020   07:00:56   (   0.03,-128.41) (  -0.68,-131.65)  368.52                80
 01/12/2020   06:48:45   (   0.03,-128.42) (  -0.03,-128.70)   31.69                80
 01/14/2020   06:33:54   (   0.03,-128.42) (   0.62,-125.75)  304.77                80
 01/14/2020   18:57:48   (  -0.02,-128.39) (   0.51,-130.90)  284.89                80
 01/16/2020   18:42:58   (  -0.02,-128.39) (  -0.13,-127.95)   51.15                80
 01/18/2020   18:30:47   (  -0.02,-128.39) (  -0.76,-124.99)  386.63                80
 01/19/2020   06:54:50   (   0.01,-128.42) (  -0.35,-130.18)  200.25                80