Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 6 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)
 06/24/2021   22:28:12   (  -0.01,-137.20) (   0.18,-136.24)  108.28                80
 06/26/2021   10:52:40   (   0.01,-137.20) (   0.98,-141.52)  491.91                80
 06/27/2021   10:31:16   (   0.01,-137.20) (  -0.04,-136.99)   23.96                80
 06/29/2021   22:37:07   (  -0.01,-137.19) (  -0.14,-137.76)   65.92                80
 06/30/2021   22:15:43   (  -0.01,-137.18) (   0.87,-133.23)  450.03                80
 07/02/2021   10:40:11   (   0.01,-137.18) (   0.28,-138.51)  150.50                80
 07/03/2021   10:18:47   (   0.01,-137.18) (  -0.73,-133.98)  365.06                80
 07/04/2021   22:40:43   (  -0.01,-137.16) (  -0.46,-139.29)  241.91                80
 07/05/2021   22:24:39   (   0.00,-137.15) (   0.56,-134.76)  273.23                80
 07/07/2021   10:46:26   (  -0.01,-137.14) (   0.66,-140.02)  328.71                80