Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 9 15.  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)
 09/15/2020   06:54:51   (  -0.06,-128.21) (  -0.49,-130.17)  222.74                80
 09/17/2020   06:40:01   (  -0.05,-128.26) (   0.17,-127.22)  117.94                80
 09/17/2020   19:03:56   (   0.06,-128.22) (   0.97,-132.37)  471.87                80
 09/19/2020   06:27:50   (  -0.05,-128.30) (   0.78,-124.26)  458.27                80
 09/19/2020   18:51:46   (   0.06,-128.26) (   0.30,-129.42)  131.64                80
 09/21/2020   18:36:55   (   0.06,-128.29) (  -0.31,-126.46)  208.07                80
 09/22/2020   07:01:00   (  -0.07,-128.35) (  -0.75,-131.66)  376.22                80
 09/24/2020   06:48:49   (  -0.08,-128.37) (  -0.14,-128.70)   37.20                80
 09/26/2020   06:33:58   (  -0.08,-128.40) (   0.48,-125.74)  301.43                80
 09/26/2020   18:57:54   (   0.09,-128.36) (   0.61,-130.90)  289.09                80
 09/28/2020   18:43:03   (   0.09,-128.38) (  -0.01,-127.94)   49.37                80