Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 11 18.  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)
 11/18/2021   18:43:09   (  -0.26,-128.41) (  -0.34,-127.99)   47.97                80
 11/20/2021   18:30:57   (  -0.25,-128.39) (  -0.99,-125.03)  381.99                80
 11/21/2021   06:54:59   (   0.24,-128.36) (  -0.18,-130.21)  210.76                80
 11/23/2021   06:40:07   (   0.24,-128.33) (   0.47,-127.25)  122.51                80
 11/23/2021   19:04:02   (  -0.22,-128.34) (   0.63,-132.41)  462.44                80
 11/25/2021   06:27:55   (   0.23,-128.29) (   1.07,-124.29)  455.30                80
 11/25/2021   18:51:49   (  -0.22,-128.30) (   0.04,-129.44)  129.72                80
 11/27/2021   18:36:57   (  -0.22,-128.26) (  -0.62,-126.48)  202.68                80
 11/28/2021   07:01:00   (   0.20,-128.23) (  -0.54,-131.66)  390.12                80
 11/30/2021   06:48:47   (   0.20,-128.19) (   0.07,-128.70)   58.33                80