Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 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)
 12/27/2021   06:27:53   (   0.09,-128.04) (   0.90,-124.27)  428.50                80
 12/27/2021   18:51:47   (  -0.08,-128.06) (   0.22,-129.42)  155.12                80
 12/29/2021   18:36:55   (  -0.08,-128.11) (  -0.43,-126.47)  186.88                80
 12/30/2021   07:00:59   (   0.07,-128.11) (  -0.66,-131.66)  402.42                80
 01/01/2022   06:48:46   (   0.07,-128.15) (  -0.07,-128.69)   61.54                80
 01/03/2022   06:33:54   (   0.07,-128.19) (   0.60,-125.74)  278.84                80
 01/03/2022   18:57:49   (  -0.06,-128.20) (   0.52,-130.89)  305.60                80
 01/05/2022   18:42:56   (  -0.06,-128.24) (  -0.09,-127.92)   34.84                80
 01/07/2022   18:30:44   (  -0.05,-128.27) (  -0.77,-124.97)  375.15                80
 01/08/2022   06:54:47   (   0.04,-128.27) (  -0.38,-130.15)  214.30                80