Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 9 26.  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)
 09/26/2021   18:27:31   (  -0.35,-127.67) (  -1.20,-123.55)  467.62                80
 09/27/2021   06:46:16   (   0.36,-127.68) (   0.13,-128.75)  121.50                80
 09/29/2021   06:36:45   (   0.36,-127.60) (   0.72,-125.79)  205.72                80
 09/29/2021   18:55:20   (  -0.37,-127.55) (   0.37,-130.95)  387.13                80
 10/01/2021   18:43:10   (  -0.36,-127.46) (  -0.22,-127.99)   60.63                80
 10/03/2021   18:33:40   (  -0.36,-127.37) (  -0.87,-125.04)  265.57                80
 10/04/2021   06:52:23   (   0.37,-127.38) (  -0.26,-130.22)  323.80                80
 10/06/2021   06:42:53   (   0.37,-127.29) (   0.39,-127.27)    2.98                80
 10/08/2021   06:30:42   (   0.37,-127.19) (   0.98,-124.31)  326.99                80
 10/08/2021   18:49:18   (  -0.37,-127.12) (   0.11,-129.47)  266.34                80