Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 9 14.  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) (  -0.61,-124.98)  361.32                80
 09/15/2020   06:54:52   (  -0.06,-128.21) (  -0.46,-130.18)  222.88                80
 09/17/2020   06:40:01   (  -0.05,-128.25) (   0.15,-127.22)  117.69                80
 09/17/2020   19:03:56   (   0.06,-128.22) (   0.93,-132.38)  472.11                80
 09/19/2020   06:27:51   (  -0.05,-128.29) (   0.82,-124.27)  457.88                80
 09/19/2020   18:51:45   (   0.06,-128.26) (   0.32,-129.42)  132.02                80
 09/21/2020   18:36:56   (   0.06,-128.29) (  -0.35,-126.47)  207.59                80
 09/22/2020   07:00:59   (  -0.07,-128.34) (  -0.78,-131.66)  376.79                80
 09/24/2020   06:48:48   (  -0.07,-128.37) (  -0.16,-128.70)   37.94                80
 09/26/2020   06:33:58   (  -0.08,-128.39) (   0.51,-125.75)  300.63                80
 09/26/2020   18:57:53   (   0.09,-128.35) (   0.63,-130.90)  289.87                80