Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 8 22.  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)
 08/23/2021   18:36:50   (   0.05,-128.22) (  -0.35,-126.46)  201.17                80
 08/24/2021   07:00:54   (  -0.08,-128.31) (  -0.78,-131.64)  379.27                80
 08/26/2021   06:48:43   (  -0.07,-128.32) (  -0.16,-128.69)   41.80                80
 08/28/2021   06:33:52   (  -0.07,-128.33) (   0.47,-125.73)  295.23                80
 08/28/2021   18:57:46   (   0.10,-128.25) (   0.67,-130.88)  299.14                80
 08/30/2021   18:42:55   (   0.09,-128.25) (   0.04,-127.92)   37.31                80
 09/01/2021   18:30:45   (   0.09,-128.24) (  -0.59,-124.96)  373.11                80
 09/02/2021   06:54:48   (  -0.13,-128.33) (  -0.53,-130.15)  207.35                80
 09/04/2021   06:39:57   (  -0.12,-128.32) (   0.11,-127.19)  127.65                80
 09/04/2021   19:03:52   (   0.15,-128.23) (   1.03,-132.34)  467.73                80