Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 3 13.  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) (   0.75,-124.23)  469.86                80
 03/14/2021   18:48:40   (   0.16,-128.44) (   0.35,-129.38)  106.72                80
 03/16/2021   18:39:07   (   0.16,-128.45) (  -0.25,-126.42)  230.85                80
 03/17/2021   07:00:31   (  -0.16,-128.37) (  -0.85,-131.61)  368.31                80
 03/19/2021   06:48:18   (  -0.15,-128.38) (  -0.24,-128.65)   31.82                80
 03/21/2021   06:33:26   (  -0.15,-128.37) (   0.43,-125.70)  304.28                80
 03/21/2021   18:54:41   (   0.15,-128.45) (   0.67,-130.85)  273.45                80
 03/23/2021   18:45:09   (   0.14,-128.44) (  -0.00,-127.91)   61.85                80
 03/25/2021   18:32:56   (   0.14,-128.43) (  -0.62,-124.94)  396.64                80
 03/26/2021   06:54:19   (  -0.14,-128.35) (  -0.53,-130.12)  202.64                80