Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 4 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/23/2021   03:45:01   (  -0.03,-137.20) (   0.41,-135.28)  218.58                 6
 04/25/2021   16:07:21   (   0.03,-137.21) (   0.73,-140.22)  344.68                80
 04/26/2021   15:55:37   (   0.03,-137.20) (   0.06,-137.36)   18.20                80
 04/27/2021   15:41:14   (   0.03,-137.19) (  -0.62,-134.50)  308.09                80
 04/30/2021   04:04:45   (  -0.02,-137.16) (  -0.58,-139.42)  259.19                80
 05/01/2021   03:50:21   (  -0.02,-137.14) (   0.10,-136.56)   66.35                80
 05/02/2021   03:38:38   (  -0.02,-137.13) (   0.78,-133.70)  391.73                80
 05/04/2021   15:59:32   (   0.01,-137.10) (   0.35,-138.64)  175.43                80
 05/05/2021   15:50:27   (   0.01,-137.09) (  -0.28,-135.77)  149.93                80
 05/06/2021   15:38:44   (   0.01,-137.07) (  -0.96,-132.91)  475.23                80