Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 6 8.  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)
 06/08/2021   22:28:11   (  -0.00,-137.19) (   0.24,-136.23)  110.26                80
 06/10/2021   10:52:38   (   0.00,-137.20) (   0.97,-141.50)  489.58                80
 06/11/2021   10:31:13   (  -0.00,-137.20) (  -0.04,-136.97)   26.73                80
 06/13/2021   22:37:06   (   0.01,-137.20) (  -0.10,-137.75)   62.69                80
 06/14/2021   22:15:42   (   0.01,-137.19) (   0.91,-133.22)  453.15                80
 06/16/2021   10:40:09   (  -0.01,-137.19) (   0.31,-138.49)  148.09                80
 06/17/2021   10:18:45   (  -0.01,-137.18) (  -0.71,-133.96)  367.46                80
 06/18/2021   22:43:22   (   0.00,-137.17) (  -0.44,-139.27)  238.93                80
 06/19/2021   22:21:57   (   0.00,-137.16) (   0.52,-134.73)  276.27                80
 06/21/2021   10:46:25   (  -0.00,-137.14) (   0.64,-140.00)  326.27                80