Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 10 28.  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)
 10/29/2021   06:49:03   (   0.32,-128.39) (   0.23,-128.78)   45.60                80
 10/31/2021   06:34:12   (   0.32,-128.40) (   0.88,-125.83)  292.62                80
 10/31/2021   18:58:07   (  -0.31,-128.42) (   0.24,-130.98)  291.89                80
 11/02/2021   18:43:16   (  -0.32,-128.43) (  -0.43,-128.03)   45.95                80
 11/04/2021   18:31:04   (  -0.32,-128.44) (  -1.04,-125.07)  382.95                80
 11/05/2021   06:55:08   (   0.31,-128.43) (  -0.08,-130.26)  208.20                80
 11/07/2021   06:40:16   (   0.31,-128.42) (   0.54,-127.30)  127.85                80
 11/07/2021   19:04:11   (  -0.29,-128.43) (   0.58,-132.45)  457.44                80
 11/09/2021   06:28:04   (   0.30,-128.41) (   1.15,-124.34)  463.27                80
 11/09/2021   18:51:59   (  -0.29,-128.42) (  -0.04,-129.49)  122.12                80