Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 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)
 12/29/2021   18:36:55   (  -0.08,-128.11) (  -0.42,-126.46)  187.07                80
 12/30/2021   07:00:59   (   0.07,-128.12) (  -0.68,-131.65)  402.21                80
 01/01/2022   06:48:47   (   0.07,-128.16) (  -0.02,-128.70)   61.22                80
 01/03/2022   06:33:54   (   0.07,-128.19) (   0.59,-125.73)  279.32                80
 01/03/2022   18:57:49   (  -0.06,-128.21) (   0.53,-130.89)  305.06                80
 01/05/2022   18:42:57   (  -0.06,-128.24) (  -0.15,-127.93)   35.53                80
 01/07/2022   18:30:44   (  -0.05,-128.27) (  -0.77,-124.97)  376.00                80
 01/08/2022   06:54:47   (   0.04,-128.28) (  -0.38,-130.15)  213.44                80
 01/10/2022   06:39:54   (   0.04,-128.31) (   0.25,-127.19)  126.98                80
 01/10/2022   19:03:49   (  -0.03,-128.32) (   0.80,-132.35)  457.71                80