Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 12 7.  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)
 12/07/2019   07:13:43   (  -0.03,-137.20) (   0.42,-134.98)  251.27                80
 12/07/2019   19:32:18   (   0.03,-137.20) (   0.65,-140.14)  335.15                80
 12/09/2019   19:20:06   (   0.02,-137.18) (   0.05,-137.18)    2.85                80
 12/11/2019   19:10:36   (   0.03,-137.16) (  -0.61,-134.23)  333.84                80
 12/12/2019   07:29:19   (  -0.02,-137.16) (  -0.51,-139.42)  257.41                80
 12/14/2019   07:19:47   (  -0.03,-137.13) (   0.10,-136.46)   75.64                80
 12/16/2019   07:07:35   (  -0.04,-137.09) (   0.70,-133.50)  408.00                80
 12/16/2019   19:26:11   (   0.04,-137.08) (   0.36,-138.66)  179.50                80
 12/18/2019   19:16:39   (   0.05,-137.03) (  -0.25,-135.70)  152.25                80
 12/19/2019   07:35:23   (  -0.04,-137.02) (  -0.86,-140.89)  439.38                80
 12/20/2019   19:04:27   (   0.05,-136.99) (  -0.86,-132.74)  483.51                80