Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 10 18.  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)
 10/19/2020   06:40:05   (  -0.15,-128.37) (   0.12,-127.20)  132.48                80
 10/19/2020   19:04:00   (   0.15,-128.32) (   1.01,-132.35)  458.26                80
 10/21/2020   06:27:53   (  -0.15,-128.34) (   0.71,-124.24)  465.68                80
 10/21/2020   18:51:48   (   0.16,-128.29) (   0.42,-129.39)  125.24                80
 10/23/2020   18:36:57   (   0.17,-128.26) (  -0.23,-126.43)  207.55                80
 10/24/2020   06:58:21   (  -0.17,-128.28) (  -0.88,-131.62)  379.89                80
 10/26/2020   06:46:09   (  -0.17,-128.25) (  -0.29,-128.66)   47.32                80
 10/28/2020   06:36:38   (  -0.18,-128.21) (   0.37,-125.71)  285.30                80
 10/28/2020   18:57:52   (   0.18,-128.17) (   0.76,-130.86)  305.56                80
 10/30/2020   18:43:01   (   0.18,-128.13) (   0.16,-127.89)   26.74                80