Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 4 7.  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   16:05:53   (   0.02,-137.21) (   0.77,-140.52)  377.45                80
 04/09/2021   15:54:09   (   0.02,-137.21) (   0.11,-137.66)   50.90                80
 04/10/2021   15:39:46   (   0.02,-137.21) (  -0.55,-134.80)  275.57                80
 04/13/2021   04:03:20   (  -0.02,-137.18) (  -0.62,-139.73)  291.31                80
 04/14/2021   03:48:56   (  -0.02,-137.18) (   0.06,-136.87)   34.79                80
 04/15/2021   03:37:13   (  -0.02,-137.17) (   0.74,-134.01)  360.66                80
 04/17/2021   16:00:46   (   0.02,-137.14) (   0.43,-138.94)  205.61                80
 04/18/2021   15:46:22   (   0.02,-137.13) (  -0.23,-136.08)  119.44                80
 04/19/2021   15:34:39   (   0.01,-137.11) (  -0.90,-133.22)  444.32                80