Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 6 9.  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   (   0.00,-137.20) (   0.99,-141.49)  489.66                80
 06/11/2021   10:31:14   (  -0.00,-137.20) (  -0.08,-136.98)   26.66                80
 06/13/2021   22:37:06   (   0.01,-137.20) (  -0.12,-137.75)   62.95                80
 06/14/2021   22:15:41   (   0.01,-137.19) (   0.89,-133.22)  452.80                80
 06/16/2021   10:40:10   (  -0.00,-137.19) (   0.27,-138.49)  148.46                80
 06/17/2021   10:18:45   (  -0.01,-137.18) (  -0.75,-133.96)  367.06                80
 06/18/2021   22:43:22   (   0.00,-137.16) (  -0.46,-139.27)  239.43                80
 06/19/2021   22:21:57   (   0.00,-137.15) (   0.56,-134.74)  275.68                80
 06/21/2021   10:46:24   (  -0.00,-137.14) (   0.66,-140.00)  326.89                80
 06/22/2021   10:27:40   (  -0.01,-137.12) (  -0.35,-135.47)  187.67                80