Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 5 29.  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)
 05/29/2021   22:15:38   (   0.01,-137.19) (   0.88,-133.19)  456.13                80
 05/31/2021   10:40:07   (  -0.00,-137.19) (   0.28,-138.46)  145.01                80
 06/01/2021   10:18:42   (  -0.00,-137.19) (  -0.73,-133.93)  370.73                80
 06/02/2021   22:43:18   (  -0.00,-137.18) (  -0.48,-139.23)  234.70                80
 06/03/2021   22:24:34   (   0.00,-137.18) (   0.53,-134.70)  281.10                80
 06/05/2021   10:46:22   (   0.00,-137.17) (   0.63,-139.98)  320.33                80
 06/06/2021   10:24:58   (  -0.00,-137.16) (  -0.38,-135.45)  194.98                80
 06/07/2021   22:46:54   (   0.00,-137.15) (  -0.83,-140.75)  411.63                80
 06/08/2021   22:30:50   (   0.01,-137.13) (   0.19,-136.22)  103.37                80
 06/10/2021   10:52:38   (  -0.01,-137.12) (   0.97,-141.50)  499.35                80
 06/11/2021   10:31:13   (  -0.01,-137.10) (  -0.04,-136.97)   15.02                80