Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 10 9.  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)
 10/09/2021   22:24:22   (  -0.04,-137.20) (   0.50,-134.73)  281.79                80
 10/11/2021   10:43:30   (   0.04,-137.19) (   0.66,-140.00)  319.67                80
 10/12/2021   10:27:24   (   0.04,-137.18) (  -0.33,-135.46)  195.68                80
 10/13/2021   22:46:40   (  -0.03,-137.16) (  -0.82,-140.77)  411.26                80
 10/14/2021   22:30:35   (  -0.03,-137.15) (   0.17,-136.23)  103.89                80
 10/16/2021   10:49:42   (   0.02,-137.13) (   0.99,-141.50)  498.27                80
 10/17/2021   10:33:37   (   0.02,-137.12) (   0.00,-136.96)   16.93                80
 10/19/2021   22:34:08   (  -0.02,-137.08) (  -0.15,-137.74)   75.16                80
 10/20/2021   22:18:02   (  -0.02,-137.06) (   0.84,-133.20)  439.75                80
 10/22/2021   10:37:09   (   0.02,-137.03) (   0.32,-138.47)  163.17                80