Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 11 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 11/21/2019   07:13:43   (  -0.02,-137.18) (   0.42,-134.98)  249.90                80
 11/21/2019   19:32:19   (   0.02,-137.19) (   0.64,-140.14)  335.55                80
 11/23/2019   19:22:47   (   0.02,-137.17) (   0.01,-137.18)    1.52                80
 11/25/2019   19:10:35   (   0.01,-137.15) (  -0.62,-134.22)  333.16                80
 11/26/2019   07:29:19   (  -0.01,-137.13) (  -0.49,-139.41)  259.04                80
 11/28/2019   07:19:47   (  -0.02,-137.11) (   0.14,-136.45)   74.55                80
 11/30/2019   07:07:34   (  -0.03,-137.07) (   0.72,-133.48)  407.63                80
 11/30/2019   19:26:09   (   0.03,-137.07) (   0.34,-138.65)  178.55                80
 12/02/2019   19:16:37   (   0.04,-137.04) (  -0.24,-135.68)  154.14                80
 12/03/2019   07:35:20   (  -0.04,-137.02) (  -0.86,-140.87)  438.28                80
 12/04/2019   19:04:25   (   0.05,-136.99) (  -0.88,-132.72)  486.43                80