Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 7 22.  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)
 07/23/2021   10:46:26   (   0.03,-137.19) (   0.69,-140.02)  323.64                80
 07/24/2021   10:25:01   (   0.03,-137.18) (  -0.33,-135.49)  191.68                80
 07/25/2021   22:46:57   (  -0.03,-137.17) (  -0.85,-140.80)  414.31                80
 07/26/2021   22:30:53   (  -0.03,-137.16) (   0.17,-136.27)  101.14                80
 07/29/2021   10:31:16   (   0.03,-137.13) (   0.01,-137.01)   14.34                80
 07/31/2021   22:34:28   (  -0.03,-137.10) (  -0.17,-137.79)   77.60                80
 08/01/2021   22:18:23   (  -0.03,-137.09) (   0.86,-133.26)  437.08                80
 08/03/2021   10:40:10   (   0.02,-137.06) (   0.35,-138.52)  166.44                80
 08/04/2021   10:18:46   (  -0.01,-137.04) (  -0.67,-133.99)  347.05                80