Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 8 14.  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)
 08/14/2021   10:31:15   (   0.05,-137.20) (   0.01,-137.01)   21.48                80
 08/16/2021   22:34:26   (  -0.04,-137.19) (  -0.16,-137.79)   68.22                80
 08/17/2021   22:18:22   (  -0.04,-137.18) (   0.87,-133.26)  447.36                80
 08/19/2021   10:40:09   (   0.03,-137.17) (   0.33,-138.53)  154.34                80
 08/20/2021   10:21:25   (   0.03,-137.16) (  -0.70,-134.00)  360.82                80
 08/21/2021   22:40:41   (  -0.01,-137.14) (  -0.47,-139.31)  246.41                80
 08/22/2021   22:24:36   (  -0.00,-137.13) (   0.50,-134.77)  268.90                80
 08/24/2021   10:43:44   (   0.00,-137.12) (   0.64,-140.05)  332.91                80
 08/25/2021   10:27:38   (   0.01,-137.11) (  -0.33,-135.51)  182.33                80
 08/26/2021   22:46:55   (  -0.01,-137.09) (  -0.84,-140.81)  424.89                80
 08/27/2021   22:30:50   (  -0.01,-137.07) (   0.19,-136.29)   90.04                80