Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 6 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)
 06/13/2021   03:47:51   (  -0.05,-137.20) (   0.62,-134.32)  328.30                80
 06/15/2021   16:08:34   (   0.04,-137.19) (   0.49,-139.23)  232.44                80
 06/16/2021   15:59:29   (   0.04,-137.18) (  -0.12,-136.35)   94.26                80
 06/17/2021   15:47:44   (   0.04,-137.17) (  -0.80,-133.49)  420.74                80
 06/19/2021   04:17:49   (  -0.04,-137.16) (  -0.99,-141.32)  475.23                80
 06/20/2021   04:06:04   (  -0.04,-137.15) (  -0.33,-138.46)  149.23                80
 06/21/2021   03:57:00   (  -0.04,-137.13) (   0.33,-135.59)  176.56                80
 06/23/2021   16:15:02   (   0.03,-137.09) (   0.80,-140.48)  387.09                80
 06/24/2021   16:03:17   (   0.02,-137.07) (   0.13,-137.62)   62.12                80
 06/25/2021   15:54:13   (   0.01,-137.05) (  -0.54,-134.75)  262.76                80