Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 10 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)
 10/22/2021   10:37:10   (   0.03,-137.21) (   0.29,-138.47)  143.03                80
 10/23/2021   10:21:04   (   0.03,-137.22) (  -0.71,-133.94)  374.47                80
 10/24/2021   22:40:20   (  -0.03,-137.22) (  -0.49,-139.23)  229.50                80
 10/25/2021   22:24:15   (  -0.03,-137.22) (   0.56,-134.71)  287.51                80
 10/27/2021   10:43:22   (   0.02,-137.23) (   0.66,-139.96)  312.10                80
 10/28/2021   10:27:17   (   0.02,-137.23) (  -0.40,-135.44)  204.41                80
 10/29/2021   22:46:32   (  -0.01,-137.22) (  -0.80,-140.74)  400.91                80
 10/30/2021   22:30:27   (  -0.01,-137.22) (   0.20,-136.20)  115.36                80
 11/01/2021   10:49:34   (   0.01,-137.22) (   0.96,-141.47)  485.05                80
 11/02/2021   10:33:29   (   0.01,-137.21) (  -0.04,-136.93)   30.90                80
 11/04/2021   22:33:59   (  -0.01,-137.18) (  -0.15,-137.70)   59.97                80