Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 12 17.  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)
 12/18/2019   19:16:39   (   0.03,-137.22) (  -0.26,-135.70)  172.38                80
 12/19/2019   07:35:24   (  -0.03,-137.21) (  -0.79,-140.90)  418.94                80
 12/21/2019   07:23:12   (  -0.03,-137.21) (  -0.18,-137.94)   83.29                80
 12/23/2019   07:13:40   (  -0.03,-137.20) (   0.44,-134.98)  251.73                80
 12/23/2019   19:32:15   (   0.03,-137.20) (   0.68,-140.13)  334.39                80
 12/25/2019   19:22:44   (   0.03,-137.18) (   0.00,-137.19)    3.07                80
 12/27/2019   19:10:31   (   0.04,-137.16) (  -0.56,-134.21)  333.87                80
 12/28/2019   07:29:16   (  -0.04,-137.14) (  -0.49,-139.42)  257.91                80
 12/30/2019   07:19:43   (  -0.05,-137.11) (   0.08,-136.45)   75.72                80