Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 3 14.  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)
 03/14/2021   06:27:25   (  -0.16,-128.35) (   0.72,-124.22)  469.87                80
 03/14/2021   18:48:40   (   0.16,-128.44) (   0.38,-129.38)  106.80                80
 03/16/2021   18:39:08   (   0.16,-128.45) (  -0.29,-126.43)  230.70                80
 03/17/2021   07:00:31   (  -0.16,-128.37) (  -0.82,-131.62)  368.44                80
 03/19/2021   06:48:18   (  -0.15,-128.37) (  -0.21,-128.66)   31.85                80
 03/21/2021   06:33:26   (  -0.15,-128.37) (   0.41,-125.69)  304.00                80
 03/21/2021   18:54:41   (   0.15,-128.45) (   0.63,-130.86)  273.82                80
 03/23/2021   18:45:08   (   0.14,-128.44) (   0.02,-127.90)   61.34                80
 03/25/2021   18:32:55   (   0.14,-128.42) (  -0.60,-124.94)  396.12                80
 03/26/2021   06:54:19   (  -0.14,-128.34) (  -0.49,-130.13)  203.13                80