Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 1 5.  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)
 01/05/2020   06:40:00   (   0.04,-128.37) (   0.29,-127.22)  130.60                80
 01/05/2020   19:03:55   (  -0.03,-128.34) (   0.83,-132.37)  458.33                80
 01/07/2020   06:27:48   (   0.05,-128.39) (   0.91,-124.26)  469.31                80
 01/07/2020   18:51:43   (  -0.04,-128.36) (   0.22,-129.41)  119.88                80
 01/09/2020   18:36:52   (  -0.04,-128.38) (  -0.45,-126.46)  217.84                80
 01/10/2020   07:00:55   (   0.03,-128.41) (  -0.66,-131.65)  368.37                80
 01/12/2020   06:48:43   (   0.03,-128.42) (  -0.05,-128.69)   31.56                80
 01/14/2020   06:33:53   (   0.03,-128.42) (   0.62,-125.74)  305.04                80
 01/14/2020   18:57:47   (  -0.02,-128.39) (   0.51,-130.89)  284.80                80
 01/16/2020   18:42:55   (  -0.02,-128.39) (  -0.09,-127.93)   51.39                80
 01/18/2020   18:30:44   (  -0.02,-128.39) (  -0.75,-124.98)  386.94                80