Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 9 27.  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)
 09/27/2021   06:46:15   (   0.36,-127.68) (   0.11,-128.75)  121.58                80
 09/29/2021   06:36:45   (   0.36,-127.60) (   0.76,-125.80)  205.70                80
 09/29/2021   18:55:20   (  -0.37,-127.55) (   0.38,-130.94)  386.97                80
 10/01/2021   18:43:10   (  -0.36,-127.46) (  -0.27,-128.00)   60.39                80
 10/03/2021   18:33:39   (  -0.36,-127.37) (  -0.88,-125.04)  265.89                80
 10/04/2021   06:52:23   (   0.37,-127.38) (  -0.25,-130.22)  323.63                80
 10/06/2021   06:40:12   (   0.37,-127.28) (   0.36,-127.26)    2.69                80
 10/08/2021   06:30:41   (   0.37,-127.18) (   0.97,-124.30)  327.41                80
 10/08/2021   18:49:17   (  -0.37,-127.12) (   0.12,-129.46)  265.69                80
 10/10/2021   18:39:46   (  -0.37,-127.01) (  -0.50,-126.50)   58.64                80