Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 12 20.  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)
 12/21/2019   07:23:12   (  -0.03,-137.21) (  -0.18,-137.94)   83.06                80
 12/23/2019   07:13:40   (  -0.03,-137.20) (   0.43,-134.98)  252.12                80
 12/23/2019   19:32:16   (   0.02,-137.20) (   0.62,-140.15)  334.01                80
 12/25/2019   19:22:44   (   0.03,-137.19) (   0.00,-137.19)    2.35                80
 12/27/2019   19:10:32   (   0.03,-137.16) (  -0.62,-134.23)  334.61                80
 12/28/2019   07:29:16   (  -0.03,-137.15) (  -0.49,-139.42)  257.10                80
 12/30/2019   07:19:43   (  -0.04,-137.13) (   0.08,-136.45)   76.71                80
 01/01/2020   07:07:31   (  -0.05,-137.10) (   0.71,-133.49)  410.11                80
 01/01/2020   19:26:07   (   0.04,-137.09) (   0.35,-138.65)  176.64                80