Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 12 11.  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)
 12/11/2019   19:10:36   (   0.02,-137.21) (  -0.62,-134.23)  338.45                80
 12/12/2019   07:29:19   (  -0.02,-137.21) (  -0.50,-139.42)  251.93                80
 12/14/2019   07:17:08   (  -0.03,-137.21) (   0.11,-136.46)   85.08                80
 12/16/2019   07:07:37   (  -0.04,-137.21) (   0.77,-133.51)  421.30                80
 12/16/2019   19:26:11   (   0.04,-137.21) (   0.35,-138.66)  165.04                80
 12/18/2019   19:16:39   (   0.04,-137.21) (  -0.25,-135.70)  170.62                80
 12/19/2019   07:35:24   (  -0.04,-137.20) (  -0.80,-140.90)  420.11                80
 12/21/2019   07:23:12   (  -0.04,-137.19) (  -0.19,-137.94)   85.12                80
 12/23/2019   07:13:40   (  -0.04,-137.17) (   0.42,-134.98)  249.25                80
 12/23/2019   19:32:16   (   0.04,-137.17) (   0.64,-140.14)  337.91                80