Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 29.  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)
 05/29/2021   19:16:06   (   0.04,-137.20) (  -0.29,-135.75)  165.79                80
 05/30/2021   07:34:50   (  -0.04,-137.19) (  -0.84,-140.93)  426.05                80
 06/01/2021   07:22:40   (  -0.03,-137.18) (  -0.19,-137.98)   90.72                80
 06/03/2021   07:10:29   (  -0.03,-137.17) (   0.40,-135.02)  244.61                80
 06/03/2021   19:31:45   (   0.03,-137.18) (   0.69,-140.18)  340.87                80
 06/05/2021   19:19:35   (   0.03,-137.17) (   0.03,-137.22)    5.95                80
 06/07/2021   19:10:04   (   0.02,-137.15) (  -0.57,-134.26)  328.41                80
 06/08/2021   07:31:29   (  -0.02,-137.14) (  -0.50,-139.46)  263.63                80
 06/10/2021   07:16:38   (  -0.02,-137.11) (   0.10,-136.50)   69.64                80