Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 10 9.  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)
 10/10/2021   18:39:49   (  -0.36,-128.02) (  -0.70,-126.55)  167.95                80
 10/11/2021   07:01:13   (   0.37,-128.04) (  -0.43,-131.73)  419.90                80
 10/13/2021   06:49:02   (   0.36,-128.10) (   0.19,-128.78)   77.99                80
 10/15/2021   06:34:11   (   0.35,-128.15) (   0.82,-125.82)  263.81                80
 10/15/2021   18:55:27   (  -0.36,-128.15) (   0.25,-130.98)  322.34                80
 10/17/2021   18:45:56   (  -0.35,-128.20) (  -0.38,-128.03)   19.55                80
 10/19/2021   18:33:45   (  -0.35,-128.25) (  -1.01,-125.07)  361.20                80
 10/20/2021   06:55:10   (   0.35,-128.27) (  -0.05,-130.27)  226.47                80
 10/22/2021   06:40:19   (   0.35,-128.32) (   0.59,-127.32)  114.77                80
 10/22/2021   19:04:13   (  -0.35,-128.32) (   0.54,-132.47)  471.81                80