Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 12 16.  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)
 12/16/2019   07:07:37   (  -0.03,-137.22) (   0.78,-133.51)  421.63                80
 12/16/2019   19:26:11   (   0.03,-137.22) (   0.34,-138.66)  163.91                80
 12/18/2019   19:16:39   (   0.04,-137.22) (  -0.27,-135.70)  172.23                80
 12/19/2019   07:35:23   (  -0.04,-137.21) (  -0.85,-140.89)  419.05                80
 12/21/2019   07:23:12   (  -0.04,-137.20) (  -0.18,-137.94)   83.60                80
 12/23/2019   07:13:40   (  -0.04,-137.19) (   0.44,-134.98)  251.26                80
 12/23/2019   19:32:15   (   0.03,-137.19) (   0.68,-140.13)  335.02                80
 12/25/2019   19:20:03   (   0.04,-137.17) (   0.07,-137.17)    3.19                80
 12/27/2019   19:10:31   (   0.05,-137.14) (  -0.55,-134.21)  332.83                80
 12/28/2019   07:29:15   (  -0.04,-137.13) (  -0.55,-139.40)  258.89                80