Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 5 20.  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)
 05/20/2021   16:15:16   (   0.05,-137.20) (   0.94,-141.18)  453.57                80
 05/21/2021   16:03:31   (   0.04,-137.20) (   0.30,-138.31)  126.65                80
 05/22/2021   15:49:07   (   0.04,-137.20) (  -0.36,-135.44)  200.14                80
 05/25/2021   04:12:40   (  -0.04,-137.17) (  -0.81,-140.38)  367.20                80
 05/26/2021   04:00:57   (  -0.03,-137.16) (  -0.12,-137.52)   41.37                80
 05/27/2021   03:46:34   (  -0.03,-137.15) (   0.58,-134.66)  284.22                80
 05/29/2021   16:07:21   (   0.02,-137.11) (   0.59,-139.58)  281.24                80
 05/30/2021   15:58:17   (   0.01,-137.10) (  -0.07,-136.71)   44.09                80
 05/31/2021   15:46:32   (   0.01,-137.08) (  -0.73,-133.84)  369.41                80