Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 7 11.  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)
 07/12/2021   10:52:41   (   0.03,-137.17) (   0.99,-141.53)  496.47                80
 07/13/2021   10:31:16   (   0.03,-137.17) (  -0.03,-137.00)   19.33                80
 07/15/2021   22:37:07   (  -0.03,-137.15) (  -0.20,-137.77)   71.28                80
 07/16/2021   22:15:43   (  -0.03,-137.14) (   0.82,-133.24)  443.99                80
 07/18/2021   10:40:11   (   0.03,-137.12) (   0.33,-138.51)  158.52                80
 07/19/2021   10:18:47   (   0.02,-137.11) (  -0.69,-133.99)  356.04                80
 07/20/2021   22:43:23   (  -0.02,-137.08) (  -0.49,-139.29)  251.93                80
 07/21/2021   22:21:58   (  -0.00,-137.06) (   0.53,-134.76)  261.97                80
 07/23/2021   10:43:46   (  -0.01,-137.03) (   0.68,-140.03)  342.48                80
 07/24/2021   10:27:41   (  -0.02,-137.00) (  -0.34,-135.50)  171.33                80