Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 6 8.  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)
 06/08/2021   15:50:21   (   0.05,-137.20) (  -0.44,-135.10)  239.48                80
 06/11/2021   04:13:59   (  -0.04,-137.20) (  -0.71,-140.06)  326.37                80
 06/12/2021   04:02:15   (  -0.03,-137.20) (  -0.06,-137.19)    3.38                80
 06/13/2021   03:47:51   (  -0.03,-137.20) (   0.65,-134.33)  327.74                80
 06/15/2021   16:08:34   (   0.02,-137.19) (   0.51,-139.23)  232.56                80
 06/16/2021   15:59:30   (   0.02,-137.19) (  -0.16,-136.36)   94.21                80
 06/17/2021   15:47:45   (   0.02,-137.18) (  -0.83,-133.50)  420.84                80
 06/19/2021   04:20:28   (  -0.02,-137.17) (  -1.01,-141.32)  474.98                80
 06/20/2021   04:08:44   (  -0.01,-137.16) (  -0.34,-138.45)  148.89                80
 06/21/2021   03:54:19   (  -0.01,-137.14) (   0.32,-135.59)  177.07                80