Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 6 10.  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)
 06/11/2021   04:13:59   (  -0.05,-137.20) (  -0.73,-140.05)  326.15                80
 06/12/2021   03:59:35   (  -0.04,-137.20) (  -0.02,-137.20)    2.86                80
 06/13/2021   03:47:51   (  -0.04,-137.20) (   0.64,-134.33)  327.76                80
 06/15/2021   16:08:34   (   0.03,-137.19) (   0.53,-139.22)  232.96                80
 06/16/2021   15:59:29   (   0.03,-137.18) (  -0.14,-136.36)   93.72                80
 06/17/2021   15:47:45   (   0.03,-137.17) (  -0.81,-133.49)  420.22                80
 06/19/2021   04:17:49   (  -0.03,-137.16) (  -0.97,-141.33)  475.67                80
 06/20/2021   04:06:05   (  -0.03,-137.15) (  -0.31,-138.46)  149.67                80
 06/21/2021   03:54:20   (  -0.02,-137.13) (   0.35,-135.59)  176.15                80
 06/23/2021   16:15:02   (   0.01,-137.09) (   0.78,-140.49)  387.51                80