Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 9 25.  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)
 09/25/2021   06:58:27   (   0.37,-127.76) (  -0.44,-131.72)  449.32                80
 09/26/2021   18:27:31   (  -0.35,-127.67) (  -1.21,-123.55)  467.53                80
 09/27/2021   06:46:16   (   0.36,-127.68) (   0.14,-128.75)  121.40                80
 09/29/2021   06:36:45   (   0.36,-127.60) (   0.73,-125.79)  205.84                80
 09/29/2021   18:55:21   (  -0.37,-127.55) (   0.36,-130.95)  387.18                80
 10/01/2021   18:43:10   (  -0.36,-127.46) (  -0.23,-127.99)   60.61                80
 10/03/2021   18:33:40   (  -0.36,-127.37) (  -0.88,-125.04)  265.59                80
 10/04/2021   06:52:24   (   0.37,-127.38) (  -0.25,-130.22)  323.59                80
 10/06/2021   06:42:54   (   0.37,-127.29) (   0.40,-127.27)    3.77                80
 10/08/2021   06:30:43   (   0.36,-127.19) (   0.99,-124.31)  327.26                80
 10/08/2021   18:49:18   (  -0.37,-127.12) (   0.10,-129.47)  266.27                80