Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 4 5.  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)
 04/05/2021   07:31:26   (  -0.05,-137.21) (  -0.49,-139.43)  252.58                80
 04/07/2021   07:16:34   (  -0.04,-137.21) (   0.13,-136.48)   83.17                80
 04/09/2021   07:04:23   (  -0.04,-137.20) (   0.76,-133.53)  418.80                80
 04/09/2021   19:25:37   (   0.04,-137.22) (   0.35,-138.68)  166.16                80
 04/11/2021   19:16:05   (   0.04,-137.21) (  -0.28,-135.72)  169.19                80
 04/12/2021   07:37:29   (  -0.04,-137.20) (  -0.83,-140.92)  423.03                80
 04/14/2021   07:25:17   (  -0.04,-137.18) (  -0.19,-137.96)   88.47                80
 04/16/2021   07:10:25   (  -0.04,-137.16) (   0.45,-135.01)  245.31                80
 04/16/2021   19:31:40   (   0.04,-137.17) (   0.67,-140.16)  340.38                80
 04/18/2021   19:19:28   (   0.03,-137.14) (   0.03,-137.21)    8.01                80