Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 23.  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)
 12/23/2021   06:54:57   (   0.09,-127.92) (  -0.37,-130.18)  257.23                80
 12/25/2021   06:40:05   (   0.09,-127.98) (   0.27,-127.23)   85.59                80
 12/25/2021   19:04:00   (  -0.08,-128.00) (   0.85,-132.38)  498.20                80
 12/27/2021   06:27:53   (   0.09,-128.03) (   0.91,-124.27)  428.03                80
 12/27/2021   18:51:48   (  -0.08,-128.05) (   0.21,-129.42)  155.86                80
 12/29/2021   18:36:56   (  -0.08,-128.10) (  -0.44,-126.47)  185.78                80
 12/30/2021   07:00:58   (   0.07,-128.10) (  -0.71,-131.65)  403.39                80
 01/01/2022   06:48:46   (   0.07,-128.14) (  -0.05,-128.69)   62.85                80
 01/03/2022   06:33:55   (   0.07,-128.17) (   0.61,-125.74)  277.13                80
 01/03/2022   18:57:49   (  -0.06,-128.18) (   0.50,-130.89)  307.70                80
 01/05/2022   18:42:56   (  -0.06,-128.21) (  -0.11,-127.93)   32.26                80