Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 10 28.  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)
 10/28/2021   10:27:16   (   0.03,-137.22) (  -0.34,-135.43)  204.24                80
 10/29/2021   22:46:32   (  -0.02,-137.22) (  -0.79,-140.74)  400.24                80
 10/30/2021   22:30:27   (  -0.02,-137.22) (   0.20,-136.20)  116.16                80
 11/01/2021   10:49:34   (   0.01,-137.21) (   0.95,-141.47)  484.77                80
 11/02/2021   10:33:29   (   0.02,-137.21) (  -0.05,-136.93)   31.28                80
 11/04/2021   22:33:59   (  -0.02,-137.18) (  -0.14,-137.70)   58.57                80
 11/05/2021   22:17:53   (  -0.02,-137.17) (   0.86,-133.16)  456.80                80
 11/07/2021   10:37:00   (   0.02,-137.15) (   0.29,-138.43)  146.02                80
 11/08/2021   10:20:55   (   0.02,-137.13) (  -0.71,-133.89)  368.64                80
 11/09/2021   22:40:10   (  -0.01,-137.09) (  -0.47,-139.19)  238.92                80
 11/10/2021   22:24:05   (  -0.01,-137.07) (   0.53,-134.66)  275.54                80