Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 1 9.  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)
 01/09/2020   18:36:52   (  -0.04,-128.39) (  -0.44,-126.46)  218.31                80
 01/10/2020   07:00:56   (   0.03,-128.42) (  -0.68,-131.65)  368.60                80
 01/12/2020   06:48:45   (   0.03,-128.42) (  -0.04,-128.70)   31.66                80
 01/14/2020   06:33:54   (   0.02,-128.43) (   0.59,-125.75)  304.91                80
 01/14/2020   18:57:50   (  -0.01,-128.40) (   0.49,-130.91)  284.20                80
 01/16/2020   18:42:59   (  -0.01,-128.41) (  -0.13,-127.95)   51.97                80
 01/18/2020   18:30:48   (  -0.02,-128.41) (  -0.74,-125.00)  387.46                80
 01/19/2020   06:54:52   (   0.01,-128.43) (  -0.38,-130.19)  199.93                80
 01/21/2020   06:40:02   (   0.01,-128.42) (   0.28,-127.24)  134.83                80
 01/21/2020   19:03:56   (  -0.01,-128.39) (   0.87,-132.39)  454.93                80