Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 9 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)
 09/14/2020   18:30:47   (   0.05,-128.16) (  -0.64,-124.98)  361.19                80
 09/15/2020   06:54:51   (  -0.06,-128.21) (  -0.49,-130.17)  223.05                80
 09/17/2020   06:40:01   (  -0.05,-128.25) (   0.18,-127.22)  117.38                80
 09/17/2020   19:03:56   (   0.06,-128.22) (   0.96,-132.37)  472.41                80
 09/19/2020   06:27:50   (  -0.05,-128.29) (   0.79,-124.26)  457.47                80
 09/19/2020   18:51:46   (   0.06,-128.25) (   0.29,-129.42)  132.43                80
 09/21/2020   18:36:55   (   0.06,-128.29) (  -0.32,-126.46)  207.05                80
 09/22/2020   07:00:59   (  -0.07,-128.34) (  -0.80,-131.65)  377.37                80
 09/24/2020   06:48:49   (  -0.07,-128.36) (  -0.13,-128.70)   38.63                80
 09/26/2020   06:33:58   (  -0.08,-128.38) (   0.49,-125.74)  299.82                80
 09/26/2020   18:57:53   (   0.09,-128.34) (   0.66,-130.89)  290.70                80