Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 6 24.  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)
 06/24/2020   18:45:07   (   0.06,-127.94) (   0.05,-127.93)    1.66                80
 06/26/2020   18:32:57   (   0.05,-128.00) (  -0.60,-124.98)  344.14                80
 06/27/2020   06:54:22   (  -0.05,-128.02) (  -0.47,-130.17)  243.84                80
 06/29/2020   06:39:31   (  -0.05,-128.08) (   0.12,-127.21)   98.23                80
 06/29/2020   19:00:46   (   0.04,-128.08) (   0.96,-132.37)  488.25                80
 07/01/2020   06:27:21   (  -0.05,-128.13) (   0.78,-124.26)  439.80                80
 07/01/2020   18:48:36   (   0.04,-128.13) (   0.30,-129.42)  146.67                80
 07/03/2020   18:39:06   (   0.04,-128.17) (  -0.30,-126.46)  194.30                80
 07/04/2020   07:00:30   (  -0.04,-128.20) (  -0.77,-131.66)  393.09                80
 07/06/2020   06:48:19   (  -0.04,-128.24) (  -0.16,-128.69)   52.83                80