Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 7 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)
 07/13/2020   06:54:29   (  -0.01,-128.35) (  -0.43,-130.18)  209.62                80
 07/15/2020   06:39:39   (  -0.01,-128.37) (   0.24,-127.23)  128.98                80
 07/15/2020   19:00:55   (   0.01,-128.36) (   0.84,-132.39)  458.06                80
 07/17/2020   06:27:28   (  -0.02,-128.38) (   0.85,-124.27)  466.90                80
 07/17/2020   18:48:44   (   0.02,-128.37) (   0.23,-129.43)  120.17                80
 07/19/2020   18:39:13   (   0.02,-128.38) (  -0.38,-126.47)  216.92                80
 07/20/2020   07:00:37   (  -0.02,-128.39) (  -0.75,-131.66)  371.69                80
 07/22/2020   06:48:27   (  -0.02,-128.39) (  -0.07,-128.71)   35.65                80
 07/24/2020   06:33:36   (  -0.01,-128.39) (   0.55,-125.75)  300.01                80
 07/24/2020   18:54:52   (   0.01,-128.37) (   0.53,-130.91)  288.41                80
 07/26/2020   18:45:21   (   0.01,-128.36) (  -0.08,-127.95)   47.07                80