Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 4 24.  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)
 04/26/2021   22:34:14   (   0.02,-137.19) (  -0.06,-137.65)   52.01                80
 04/27/2021   22:18:09   (   0.03,-137.19) (   0.94,-133.12)  463.40                80
 04/29/2021   10:39:57   (  -0.02,-137.17) (   0.24,-138.40)  138.93                80
 04/30/2021   10:18:33   (  -0.02,-137.16) (  -0.76,-133.86)  375.83                80
 05/01/2021   22:40:30   (   0.02,-137.14) (  -0.41,-139.18)  231.54                80
 05/02/2021   22:24:26   (   0.02,-137.13) (   0.59,-134.65)  283.08                80
 05/04/2021   10:46:14   (  -0.01,-137.11) (   0.59,-139.92)  320.03                80
 05/05/2021   10:24:50   (  -0.01,-137.09) (  -0.41,-135.39)  194.41                80
 05/06/2021   22:46:46   (   0.01,-137.06) (  -0.82,-140.69)  413.51                80
 05/07/2021   22:30:41   (   0.01,-137.05) (   0.18,-136.16)  100.87                80