Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 31.  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)
 01/01/2022   06:48:48   (   0.07,-128.16) (  -0.02,-128.70)   61.45                80
 01/03/2022   06:33:57   (   0.07,-128.20) (   0.62,-125.75)  278.71                80
 01/03/2022   18:57:52   (  -0.06,-128.21) (   0.51,-130.90)  305.81                80
 01/05/2022   18:43:01   (  -0.05,-128.25) (  -0.13,-127.95)   34.23                80
 01/07/2022   18:30:50   (  -0.05,-128.28) (  -0.78,-125.00)  374.33                80
 01/08/2022   06:54:53   (   0.04,-128.29) (  -0.39,-130.18)  215.32                80
 01/10/2022   06:40:02   (   0.04,-128.32) (   0.26,-127.22)  124.58                80
 01/10/2022   19:03:57   (  -0.03,-128.34) (   0.82,-132.39)  460.13                80
 01/12/2022   06:27:51   (   0.04,-128.35) (   0.91,-124.27)  463.96                80
 01/12/2022   18:51:47   (  -0.03,-128.37) (   0.16,-129.44)  120.96                80