Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 12 10.  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,-137.20) (  -0.62,-134.23)  337.88                80
 12/12/2019   07:29:19   (  -0.02,-137.20) (  -0.50,-139.42)  252.45                80
 12/14/2019   07:19:47   (  -0.03,-137.20) (   0.10,-136.46)   84.04                80
 12/16/2019   07:07:36   (  -0.04,-137.20) (   0.77,-133.51)  419.74                80
 12/16/2019   19:26:11   (   0.04,-137.19) (   0.35,-138.66)  166.91                80
 12/18/2019   19:16:39   (   0.04,-137.18) (  -0.25,-135.70)  168.23                80
 12/19/2019   07:35:23   (  -0.04,-137.18) (  -0.86,-140.89)  422.45                80
 12/21/2019   07:23:12   (  -0.04,-137.16) (  -0.19,-137.94)   88.00                80
 12/23/2019   07:13:40   (  -0.04,-137.14) (   0.43,-134.98)  245.88                80
 12/23/2019   19:32:15   (   0.04,-137.13) (   0.70,-140.13)  341.56                80