Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 4 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)
 04/08/2021   16:05:52   (   0.02,-137.21) (   0.82,-140.51)  377.53                80
 04/09/2021   15:54:10   (   0.02,-137.21) (   0.10,-137.66)   51.10                80
 04/10/2021   15:39:46   (   0.02,-137.21) (  -0.56,-134.80)  275.40                80
 04/13/2021   04:03:20   (  -0.02,-137.18) (  -0.60,-139.74)  291.58                80
 04/14/2021   03:48:56   (  -0.02,-137.17) (   0.08,-136.88)   34.60                80
 04/15/2021   03:37:12   (  -0.02,-137.16) (   0.70,-134.00)  360.29                80
 04/17/2021   16:00:46   (   0.02,-137.14) (   0.41,-138.95)  206.18                80
 04/18/2021   15:46:21   (   0.01,-137.12) (  -0.20,-136.07)  118.88                80
 04/19/2021   15:34:38   (   0.01,-137.10) (  -0.87,-133.21)  443.68                80
 04/21/2021   04:07:14   (  -0.02,-137.06) (  -0.93,-141.01)  451.49                80