Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 13.  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)
 03/13/2021   07:25:28   (  -0.04,-137.20) (  -0.19,-137.93)   82.77                80
 03/15/2021   07:10:35   (  -0.04,-137.20) (   0.42,-134.97)  252.87                80
 03/15/2021   19:34:30   (   0.04,-137.21) (   0.69,-140.13)  332.42                80
 03/17/2021   19:19:38   (   0.04,-137.19) (   0.02,-137.18)    3.07                80
 03/19/2021   19:07:25   (   0.04,-137.17) (  -0.59,-134.21)  336.55                80
 03/20/2021   07:31:28   (  -0.04,-137.16) (  -0.51,-139.41)  255.72                80
 03/22/2021   07:16:36   (  -0.03,-137.13) (   0.10,-136.44)   77.31                80
 03/24/2021   07:07:03   (  -0.03,-137.09) (   0.72,-133.48)  409.63                80
 03/24/2021   19:25:37   (   0.03,-137.09) (   0.38,-138.64)  176.66                80
 03/26/2021   19:16:05   (   0.02,-137.05) (  -0.30,-135.69)  155.07                80