Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 12 13.  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)
 12/13/2020   06:46:10   (  -0.19,-128.18) (  -0.31,-128.66)   54.84                80
 12/15/2020   06:36:39   (  -0.19,-128.21) (   0.35,-125.71)  284.26                80
 12/15/2020   18:55:14   (   0.17,-128.20) (   0.71,-130.88)  303.46                80
 12/17/2020   18:45:42   (   0.18,-128.22) (   0.11,-127.91)   35.30                80
 12/19/2020   18:33:30   (   0.19,-128.24) (  -0.50,-124.95)  374.06                80
 12/20/2020   06:52:15   (  -0.17,-128.26) (  -0.55,-130.15)  214.92                80
 12/22/2020   06:42:43   (  -0.17,-128.28) (   0.06,-127.19)  123.72                80
 12/22/2020   19:01:19   (   0.15,-128.28) (   1.01,-132.36)  463.59                80
 12/24/2020   06:30:31   (  -0.18,-128.30) (   0.67,-124.23)  462.10                80
 12/24/2020   18:49:07   (   0.16,-128.29) (   0.39,-129.39)  125.45                80
 12/26/2020   18:39:35   (   0.16,-128.30) (  -0.22,-126.43)  212.08                80