Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 7 28.  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)
 07/28/2021   16:08:11   (   0.02,-137.21) (  -0.05,-136.87)   37.72                80
 07/29/2021   15:56:27   (   0.02,-137.21) (  -0.74,-134.01)  365.86                80
 08/01/2021   04:14:40   (  -0.01,-137.20) (  -0.45,-138.95)  199.84                80
 08/02/2021   04:05:36   (  -0.02,-137.20) (   0.27,-136.09)  127.97                80
 08/03/2021   03:53:50   (  -0.02,-137.20) (   0.92,-133.22)  455.49                80
 08/04/2021   16:23:40   (   0.02,-137.21) (   0.93,-140.98)  431.27                80
 08/05/2021   16:11:55   (   0.01,-137.21) (   0.23,-138.12)  104.76                80
 08/06/2021   16:02:51   (  -0.00,-137.20) (  -0.47,-135.26)  221.74                80
 08/09/2021   04:23:43   (   0.01,-137.16) (  -0.69,-140.19)  346.31                80
 08/10/2021   04:11:57   (   0.01,-137.15) (  -0.03,-137.32)   19.90                80