Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 6 22.  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)
 06/23/2021   06:48:26   (   0.10,-128.38) (   0.03,-128.75)   41.20                80
 06/25/2021   06:33:35   (   0.11,-128.35) (   0.65,-125.79)  291.19                80
 06/25/2021   18:54:51   (  -0.10,-128.33) (   0.43,-130.95)  297.45                80
 06/27/2021   18:45:20   (  -0.11,-128.29) (  -0.20,-127.99)   34.94                80
 06/29/2021   18:33:09   (  -0.12,-128.26) (  -0.82,-125.03)  367.24                80
 06/30/2021   06:54:33   (   0.11,-128.27) (  -0.30,-130.22)  221.52                80
 07/02/2021   06:39:42   (   0.12,-128.23) (   0.33,-127.26)  110.61                80
 07/02/2021   19:00:57   (  -0.11,-128.19) (   0.80,-132.41)  479.59                80
 07/04/2021   06:27:31   (   0.12,-128.19) (   0.96,-124.30)  442.49                80
 07/04/2021   18:48:46   (  -0.11,-128.15) (   0.17,-129.45)  147.63                80
 07/06/2021   18:39:15   (  -0.11,-128.10) (  -0.46,-126.49)  183.69                80