Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 8 1.  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)
 08/01/2021   06:54:41   (   0.03,-127.93) (  -0.44,-130.17)  255.34                80
 08/03/2021   06:39:51   (   0.04,-127.98) (   0.22,-127.22)   86.18                80
 08/05/2021   06:27:41   (   0.04,-128.02) (   0.87,-124.27)  427.07                80
 08/05/2021   18:51:36   (  -0.02,-127.96) (   0.26,-129.42)  165.63                80
 08/07/2021   18:36:45   (  -0.03,-128.00) (  -0.33,-126.46)  174.73                80
 08/08/2021   07:00:49   (  -0.00,-128.09) (  -0.74,-131.66)  405.13                80
 08/10/2021   06:48:39   (   0.01,-128.12) (  -0.14,-128.69)   65.47                80
 08/12/2021   06:33:49   (   0.02,-128.16) (   0.53,-125.74)  273.89                80
 08/12/2021   18:57:43   (   0.01,-128.08) (   0.62,-130.89)  320.11                80
 08/14/2021   18:42:53   (  -0.00,-128.10) (  -0.05,-127.94)   18.79                80