Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 9 8.  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)
 09/08/2020   06:48:43   (  -0.03,-128.04) (  -0.20,-128.68)   74.42                80
 09/10/2020   06:33:53   (  -0.03,-128.09) (   0.46,-125.73)  267.69                80
 09/10/2020   18:57:48   (   0.04,-128.06) (   0.62,-130.89)  321.78                80
 09/12/2020   18:42:58   (   0.05,-128.11) (   0.02,-127.93)   19.47                80
 09/14/2020   18:30:48   (   0.04,-128.15) (  -0.65,-124.99)  360.08                80
 09/15/2020   06:54:51   (  -0.06,-128.20) (  -0.48,-130.17)  223.96                80
 09/17/2020   06:40:01   (  -0.05,-128.24) (   0.19,-127.22)  116.13                80
 09/17/2020   19:03:56   (   0.06,-128.20) (   0.95,-132.37)  474.12                80
 09/19/2020   06:27:50   (  -0.05,-128.27) (   0.80,-124.26)  455.81                80
 09/19/2020   18:51:46   (   0.06,-128.24) (   0.28,-129.42)  134.54                80
 09/21/2020   18:36:55   (   0.06,-128.26) (  -0.33,-126.46)  204.62                80