Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 9 9.  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)
 09/10/2020   06:33:53   (  -0.03,-128.09) (   0.50,-125.74)  267.76                80
 09/10/2020   18:57:48   (   0.04,-128.06) (   0.64,-130.89)  321.63                80
 09/12/2020   18:42:58   (   0.05,-128.11) (  -0.02,-127.94)   19.87                80
 09/14/2020   18:30:47   (   0.05,-128.15) (  -0.62,-124.98)  360.25                80
 09/15/2020   06:54:51   (  -0.06,-128.20) (  -0.50,-130.17)  223.89                80
 09/17/2020   06:40:01   (  -0.05,-128.24) (   0.17,-127.22)  116.20                80
 09/17/2020   19:03:56   (   0.06,-128.20) (   0.98,-132.37)  473.91                80
 09/19/2020   06:27:50   (  -0.05,-128.27) (   0.78,-124.26)  455.96                80
 09/19/2020   18:51:46   (   0.06,-128.24) (   0.31,-129.42)  134.26                80
 09/21/2020   18:36:55   (   0.06,-128.26) (  -0.30,-126.46)  204.89                80
 09/22/2020   07:01:00   (  -0.07,-128.32) (  -0.75,-131.66)  379.35                80