Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 6 7.  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)
 06/07/2021   06:48:22   (   0.08,-128.48) (   0.05,-128.76)   31.53                80
 06/09/2021   06:33:31   (   0.08,-128.48) (   0.65,-125.80)  304.78                80
 06/09/2021   18:54:47   (  -0.08,-128.48) (   0.44,-130.96)  281.64                80
 06/11/2021   18:45:16   (  -0.09,-128.47) (  -0.16,-127.99)   53.94                80
 06/13/2021   18:33:06   (  -0.09,-128.46) (  -0.83,-125.04)  388.76                80
 06/14/2021   06:54:29   (   0.09,-128.47) (  -0.30,-130.23)  201.11                80
 06/16/2021   06:39:39   (   0.10,-128.45) (   0.36,-127.28)  133.03                80
 06/16/2021   19:00:54   (  -0.10,-128.43) (   0.78,-132.43)  455.37                80
 06/18/2021   06:27:29   (   0.11,-128.43) (   0.97,-124.32)  466.90                80
 06/18/2021   18:48:44   (  -0.11,-128.41) (   0.11,-129.48)  121.37                80
 06/20/2021   18:39:13   (  -0.11,-128.38) (  -0.50,-126.52)  212.12                80