Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 9 4.  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)
 09/06/2021   06:30:34   (   0.29,-128.24) (   1.10,-124.32)  445.41                80
 09/06/2021   18:49:10   (  -0.31,-128.19) (  -0.02,-129.48)  147.22                80
 09/08/2021   18:39:40   (  -0.31,-128.17) (  -0.69,-126.53)  186.83                80
 09/09/2021   06:58:24   (   0.34,-128.21) (  -0.43,-131.72)  399.33                80
 09/11/2021   06:46:13   (   0.33,-128.19) (   0.19,-128.76)   65.99                80
 09/13/2021   06:36:42   (   0.32,-128.15) (   0.81,-125.80)  266.57                80
 09/13/2021   18:55:18   (  -0.35,-128.09) (   0.27,-130.96)  326.96                80
 09/15/2021   18:45:47   (  -0.34,-128.05) (  -0.36,-128.01)    4.91                80
 09/17/2021   18:33:36   (  -0.33,-128.00) (  -0.99,-125.05)  336.26                80
 09/18/2021   06:52:20   (   0.35,-128.04) (  -0.13,-130.24)  249.96                80