Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 18.  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)
 04/20/2020   07:16:24   (  -0.03,-137.18) (   0.12,-136.49)   78.88                80
 04/22/2020   07:04:12   (  -0.03,-137.18) (   0.76,-133.54)  414.44                80
 04/22/2020   19:25:26   (   0.03,-137.19) (   0.34,-138.69)  170.73                80
 04/24/2020   19:15:54   (   0.03,-137.18) (  -0.30,-135.74)  163.95                80
 04/25/2020   07:37:18   (  -0.03,-137.16) (  -0.81,-140.93)  428.42                80
 04/26/2020   19:03:41   (   0.03,-137.15) (  -0.88,-132.77)  497.63                80
 04/27/2020   07:25:05   (  -0.02,-137.14) (  -0.22,-137.97)   94.99                80
 04/29/2020   07:10:13   (  -0.02,-137.10) (   0.43,-135.02)  237.54                80
 04/29/2020   19:31:28   (   0.02,-137.11) (   0.68,-140.17)  348.66                80
 05/01/2020   19:19:16   (   0.01,-137.07) (   0.03,-137.22)   17.01                80