Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 10 1.  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)
 10/01/2021   18:43:10   (  -0.36,-127.71) (  -0.29,-128.00)   33.34                80
 10/03/2021   18:33:40   (  -0.36,-127.78) (  -0.96,-125.05)  310.57                80
 10/04/2021   06:52:24   (   0.37,-127.80) (  -0.17,-130.24)  277.57                80
 10/06/2021   06:42:54   (   0.37,-127.87) (   0.50,-127.29)   65.89                80
 10/08/2021   06:30:43   (   0.36,-127.93) (   1.11,-124.33)  408.76                80
 10/08/2021   18:49:19   (  -0.37,-127.94) (  -0.03,-129.49)  176.76                80
 10/10/2021   18:39:49   (  -0.37,-127.99) (  -0.70,-126.55)  165.21                80
 10/11/2021   07:01:13   (   0.37,-128.01) (  -0.42,-131.74)  423.13                80
 10/13/2021   06:49:02   (   0.36,-128.06) (   0.20,-128.78)   82.00                80