Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 12 19.  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)
 12/19/2019   07:35:24   (  -0.03,-137.22) (  -0.79,-140.90)  418.86                80
 12/21/2019   07:23:12   (  -0.03,-137.21) (  -0.18,-137.94)   83.05                80
 12/23/2019   07:13:40   (  -0.03,-137.20) (   0.44,-134.98)  252.12                80
 12/23/2019   19:32:16   (   0.02,-137.20) (   0.62,-140.15)  334.04                80
 12/25/2019   19:22:44   (   0.03,-137.19) (   0.00,-137.19)    2.86                80
 12/27/2019   19:10:31   (   0.04,-137.16) (  -0.56,-134.21)  334.56                80
 12/28/2019   07:29:16   (  -0.03,-137.15) (  -0.49,-139.42)  257.13                80
 12/30/2019   07:19:43   (  -0.04,-137.12) (   0.08,-136.45)   76.66                80
 01/01/2020   07:07:31   (  -0.05,-137.10) (   0.71,-133.49)  410.05                80
 01/01/2020   19:26:07   (   0.05,-137.09) (   0.35,-138.65)  176.75                80