Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 8 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2021   22:34:24   (  -0.04,-137.20) (  -0.15,-137.79)   66.50                80
 09/02/2021   22:18:19   (  -0.04,-137.20) (   0.82,-133.25)  449.73                80
 09/04/2021   10:37:27   (   0.03,-137.20) (   0.30,-138.53)  151.69                80
 09/05/2021   10:21:21   (   0.02,-137.19) (  -0.67,-133.99)  364.13                80
 09/06/2021   22:40:38   (  -0.01,-137.18) (  -0.50,-139.30)  241.48                80
 09/07/2021   22:24:33   (  -0.02,-137.18) (   0.53,-134.77)  274.23                80
 09/09/2021   10:43:40   (   0.01,-137.16) (   0.65,-140.04)  327.82                80
 09/10/2021   10:27:35   (   0.02,-137.15) (  -0.33,-135.50)  187.47                80
 09/11/2021   22:46:51   (  -0.02,-137.13) (  -0.84,-140.81)  419.35                80
 09/12/2021   22:30:47   (  -0.02,-137.11) (   0.20,-136.28)   95.33                80