Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 5 9.  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)
 05/09/2021   03:58:18   (  -0.04,-137.19) (   0.00,-137.88)   76.57                 0
 05/10/2021   03:45:11   (  -0.04,-137.19) (   0.45,-134.97)  253.68                80
 05/12/2021   16:08:44   (   0.04,-137.19) (   0.68,-139.91)  309.97                80
 05/13/2021   15:54:20   (   0.03,-137.19) (  -0.02,-137.05)   16.52                80
 05/14/2021   15:42:36   (   0.03,-137.18) (  -0.66,-134.18)  342.47                80
 05/17/2021   04:06:09   (  -0.02,-137.14) (  -0.49,-139.12)  225.64                80
 05/18/2021   03:54:25   (  -0.02,-137.13) (   0.20,-136.26)   99.83                80
 05/19/2021   03:42:41   (  -0.02,-137.11) (   0.83,-133.38)  425.16                80
 05/20/2021   16:12:36   (   0.01,-137.09) (   0.95,-141.19)  466.58                80
 05/21/2021   16:00:51   (   0.01,-137.08) (   0.30,-138.32)  141.38                80
 05/22/2021   15:51:47   (   0.01,-137.06) (  -0.35,-135.45)  183.70                80