Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 6 10.  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)
 06/10/2021   10:52:38   (   0.01,-137.20) (   0.94,-141.50)  489.58                80
 06/11/2021   10:31:14   (   0.00,-137.20) (  -0.07,-136.97)   26.63                80
 06/13/2021   22:37:06   (   0.00,-137.19) (  -0.13,-137.75)   63.03                80
 06/14/2021   22:15:41   (   0.00,-137.19) (   0.88,-133.22)  452.65                80
 06/16/2021   10:40:10   (   0.00,-137.18) (   0.27,-138.49)  148.69                80
 06/17/2021   10:18:45   (  -0.00,-137.18) (  -0.74,-133.96)  366.74                80
 06/18/2021   22:43:21   (  -0.00,-137.16) (  -0.47,-139.26)  239.75                80
 06/19/2021   22:21:57   (  -0.00,-137.15) (   0.55,-134.73)  275.27                80
 06/21/2021   10:46:24   (  -0.00,-137.13) (   0.67,-140.00)  327.45                80
 06/22/2021   10:25:00   (  -0.01,-137.11) (  -0.34,-135.47)  186.98                80
 06/23/2021   22:46:57   (   0.01,-137.08) (  -0.79,-140.78)  421.28                80