Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 8 20.  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)
 08/20/2021   10:18:44   (   0.04,-137.17) (  -0.64,-133.99)  362.29                80
 08/21/2021   22:40:40   (  -0.04,-137.15) (  -0.54,-139.29)  244.45                80
 08/22/2021   22:24:35   (  -0.04,-137.14) (   0.49,-134.76)  270.89                80
 08/24/2021   10:46:23   (   0.03,-137.13) (   0.70,-140.03)  330.87                80
 08/25/2021   10:24:58   (   0.04,-137.12) (  -0.33,-135.50)  184.32                80
 08/26/2021   22:46:55   (  -0.03,-137.10) (  -0.85,-140.81)  422.96                80
 08/27/2021   22:30:49   (  -0.03,-137.08) (   0.12,-136.27)   92.01                80
 08/30/2021   10:31:12   (   0.03,-137.05) (   0.04,-137.01)    4.24                80
 09/01/2021   22:34:24   (  -0.01,-136.98) (  -0.18,-137.79)   91.52                80
 09/02/2021   22:18:19   (  -0.00,-136.96) (   0.85,-133.26)  422.07                80