Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 15.  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)
 04/15/2020   19:19:24   (   0.03,-137.19) (   0.03,-137.20)    2.18                80
 04/17/2020   19:09:52   (   0.03,-137.16) (  -0.61,-134.25)  331.35                80
 04/18/2020   07:31:16   (  -0.03,-137.14) (  -0.50,-139.44)  262.16                80
 04/20/2020   07:16:23   (  -0.03,-137.11) (   0.08,-136.48)   70.99                80
 04/22/2020   07:04:11   (  -0.02,-137.08) (   0.73,-133.53)  403.58                80
 04/22/2020   19:25:26   (   0.02,-137.09) (   0.39,-138.68)  181.62                80
 04/24/2020   19:15:54   (   0.02,-137.05) (  -0.26,-135.73)  150.18                80
 04/25/2020   07:37:17   (  -0.02,-137.02) (  -0.84,-140.92)  443.56                80
 04/26/2020   19:03:41   (   0.02,-137.00) (  -0.85,-132.77)  481.02                80
 04/27/2020   07:25:05   (  -0.02,-136.97) (  -0.25,-137.96)  113.01                80