Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 29.  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)
 12/29/2021   18:36:56   (  -0.08,-128.11) (  -0.45,-126.47)  187.11                80
 12/30/2021   07:00:58   (   0.07,-128.12) (  -0.71,-131.65)  402.15                80
 01/01/2022   06:48:46   (   0.07,-128.16) (  -0.05,-128.69)   61.01                80
 01/03/2022   06:33:55   (   0.07,-128.19) (   0.62,-125.74)  279.57                80
 01/03/2022   18:57:49   (  -0.06,-128.21) (   0.49,-130.89)  304.81                80
 01/05/2022   18:42:56   (  -0.05,-128.24) (  -0.12,-127.93)   35.73                80
 01/07/2022   18:30:43   (  -0.05,-128.28) (  -0.74,-124.97)  376.42                80
 01/08/2022   06:54:47   (   0.04,-128.28) (  -0.35,-130.16)  213.03                80
 01/10/2022   06:39:54   (   0.04,-128.32) (   0.28,-127.20)  127.43                80
 01/10/2022   19:03:49   (  -0.03,-128.33) (   0.83,-132.35)  457.17                80