Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 9.  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)
 03/10/2021   19:13:37   (   0.04,-137.22) (  -0.31,-135.70)  173.03                80
 03/11/2021   07:37:40   (  -0.04,-137.21) (  -0.80,-140.90)  418.75                80
 03/13/2021   07:25:28   (  -0.04,-137.21) (  -0.20,-137.93)   82.42                80
 03/15/2021   07:10:36   (  -0.04,-137.21) (   0.47,-134.98)  253.66                80
 03/15/2021   19:31:50   (   0.04,-137.22) (   0.64,-140.14)  331.35                80
 03/17/2021   19:22:17   (   0.03,-137.21) (   0.03,-137.17)    4.01                80
 03/19/2021   19:10:05   (   0.03,-137.19) (  -0.58,-134.21)  338.49                80
 03/20/2021   07:31:28   (  -0.03,-137.17) (  -0.52,-139.40)  253.91                80
 03/22/2021   07:19:15   (  -0.03,-137.15) (   0.09,-136.44)   79.60                80