Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 5 13.  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)
 05/13/2021   15:54:19   (   0.04,-137.19) (   0.03,-137.03)   16.81                80
 05/14/2021   15:42:36   (   0.04,-137.18) (  -0.67,-134.18)  342.59                80
 05/17/2021   04:06:08   (  -0.03,-137.14) (  -0.47,-139.12)  225.41                80
 05/18/2021   03:51:44   (  -0.03,-137.12) (   0.16,-136.24)  100.03                80
 05/19/2021   03:40:01   (  -0.02,-137.11) (   0.85,-133.38)  425.30                80
 05/20/2021   16:12:35   (   0.02,-137.09) (   0.98,-141.17)  466.70                80
 05/21/2021   16:00:50   (   0.02,-137.07) (   0.33,-138.31)  141.55                80
 05/22/2021   15:51:46   (   0.02,-137.05) (  -0.32,-135.44)  183.55                80
 05/25/2021   04:10:01   (  -0.02,-136.98) (  -0.78,-140.39)  388.06                80
 05/26/2021   03:58:16   (  -0.01,-136.96) (  -0.14,-137.52)   63.93                80