Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 10 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)
 10/27/2021   07:01:15   (   0.33,-128.36) (  -0.38,-131.75)  384.24                80
 10/29/2021   06:49:03   (   0.32,-128.38) (   0.21,-128.78)   45.88                80
 10/31/2021   06:34:12   (   0.32,-128.40) (   0.87,-125.83)  292.29                80
 10/31/2021   18:58:07   (  -0.31,-128.41) (   0.25,-130.98)  292.41                80
 11/02/2021   18:43:16   (  -0.32,-128.42) (  -0.41,-128.03)   45.22                80
 11/04/2021   18:31:04   (  -0.32,-128.43) (  -1.02,-125.07)  382.18                80
 11/05/2021   06:55:08   (   0.31,-128.42) (  -0.10,-130.25)  208.86                80
 11/07/2021   06:40:16   (   0.31,-128.42) (   0.52,-127.29)  127.10                80
 11/07/2021   19:04:12   (  -0.29,-128.42) (   0.54,-132.46)  458.43                80
 11/09/2021   06:28:05   (   0.30,-128.40) (   1.19,-124.34)  462.35                80
 11/09/2021   18:52:00   (  -0.29,-128.41) (  -0.07,-129.49)  123.22                80