Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 9 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)
 09/28/2021   22:30:41   (  -0.04,-137.21) (   0.15,-136.25)  108.18                80
 09/30/2021   10:49:48   (   0.03,-137.19) (   1.02,-141.52)  493.77                80
 10/01/2021   10:33:44   (   0.03,-137.18) (  -0.03,-137.00)   21.77                80
 10/03/2021   22:34:15   (  -0.02,-137.16) (  -0.15,-137.77)   68.86                80
 10/04/2021   22:18:09   (  -0.02,-137.15) (   0.84,-133.23)  446.40                80
 10/06/2021   10:37:17   (   0.02,-137.13) (   0.33,-138.50)  156.50                80
 10/07/2021   10:21:11   (   0.02,-137.11) (  -0.66,-133.96)  358.37                80
 10/08/2021   22:40:28   (  -0.02,-137.08) (  -0.49,-139.27)  248.84                80
 10/09/2021   22:24:22   (  -0.02,-137.06) (   0.50,-134.73)  265.46                80
 10/11/2021   10:43:29   (   0.02,-137.02) (   0.67,-140.00)  339.15                80