Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 6 20.  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)
 06/20/2021   18:39:13   (  -0.10,-128.41) (  -0.48,-126.51)  215.18                80
 06/21/2021   07:00:37   (   0.10,-128.41) (  -0.59,-131.71)  374.24                80
 06/23/2021   06:48:26   (   0.10,-128.39) (   0.03,-128.75)   41.05                80
 06/25/2021   06:33:35   (   0.11,-128.35) (   0.65,-125.79)  291.30                80
 06/25/2021   18:54:51   (  -0.10,-128.32) (   0.43,-130.95)  297.80                80
 06/27/2021   18:45:20   (  -0.11,-128.29) (  -0.20,-127.99)   34.52                80
 06/29/2021   18:33:09   (  -0.12,-128.25) (  -0.82,-125.03)  366.77                80
 06/30/2021   06:54:33   (   0.11,-128.27) (  -0.30,-130.22)  221.59                80
 07/02/2021   06:39:42   (   0.12,-128.23) (   0.32,-127.26)  110.48                80
 07/02/2021   19:00:57   (  -0.11,-128.19) (   0.81,-132.40)  480.16                80
 07/04/2021   06:27:31   (   0.12,-128.19) (   0.95,-124.30)  442.31                80