Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 6 25.  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)
 06/26/2021   10:52:40   (   0.01,-137.20) (   0.99,-141.52)  491.97                80
 06/27/2021   10:31:15   (   0.01,-137.20) (  -0.03,-136.99)   23.91                80
 06/29/2021   22:37:07   (  -0.01,-137.18) (  -0.15,-137.76)   65.91                80
 06/30/2021   22:18:23   (  -0.01,-137.18) (   0.86,-133.23)  450.04                80
 07/02/2021   10:40:11   (   0.02,-137.18) (   0.29,-138.51)  150.64                80
 07/03/2021   10:18:47   (   0.01,-137.18) (  -0.73,-133.98)  364.87                80
 07/04/2021   22:40:43   (  -0.01,-137.16) (  -0.47,-139.28)  241.99                80
 07/05/2021   22:24:38   (  -0.00,-137.15) (   0.55,-134.75)  273.11                80
 07/07/2021   10:46:26   (  -0.01,-137.14) (   0.66,-140.02)  328.99                80
 07/08/2021   10:25:01   (  -0.01,-137.12) (  -0.35,-135.49)  185.60                80