Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 6 17.  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)
 06/17/2021   15:47:45   (   0.05,-137.20) (  -0.81,-133.49)  424.15                80
 06/19/2021   04:17:48   (  -0.05,-137.20) (  -1.03,-141.31)  470.74                80
 06/20/2021   04:06:05   (  -0.05,-137.19) (  -0.31,-138.46)  143.92                80
 06/21/2021   03:57:00   (  -0.04,-137.19) (   0.35,-135.59)  182.79                80
 06/23/2021   16:15:02   (   0.04,-137.17) (   0.78,-140.49)  378.52                80
 06/24/2021   16:03:16   (   0.03,-137.15) (   0.16,-137.61)   52.70                80
 06/25/2021   15:54:12   (   0.02,-137.14) (  -0.52,-134.74)  273.10                80
 06/28/2021   04:15:12   (  -0.02,-137.10) (  -0.64,-139.71)  298.78                80
 06/29/2021   04:00:47   (  -0.01,-137.08) (   0.03,-136.84)   26.89                80
 06/30/2021   03:49:03   (  -0.01,-137.07) (   0.71,-133.98)  352.54                80