Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 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)
 03/29/2021   07:25:23   (  -0.05,-137.21) (  -0.19,-137.95)   83.33                80
 03/31/2021   07:10:31   (  -0.05,-137.21) (   0.43,-134.99)  252.16                80
 03/31/2021   19:31:46   (   0.05,-137.22) (   0.69,-140.14)  333.35                80
 04/02/2021   19:22:14   (   0.04,-137.20) (   0.06,-137.19)    2.86                80
 04/04/2021   19:10:02   (   0.04,-137.18) (  -0.56,-134.23)  334.61                80
 04/05/2021   07:31:26   (  -0.04,-137.16) (  -0.49,-139.44)  257.62                80
 04/07/2021   07:16:33   (  -0.03,-137.14) (   0.08,-136.47)   75.79                80
 04/09/2021   07:04:22   (  -0.03,-137.12) (   0.71,-133.51)  408.99                80
 04/09/2021   19:25:37   (   0.03,-137.12) (   0.34,-138.68)  177.16                80
 04/11/2021   19:16:04   (   0.03,-137.09) (  -0.23,-135.71)  155.88                80