Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 6 22.  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)
 06/22/2021   10:25:01   (   0.01,-137.20) (  -0.40,-135.48)  196.87                80
 06/23/2021   22:49:37   (  -0.01,-137.19) (  -0.80,-140.78)  408.91                80
 06/24/2021   22:28:12   (  -0.00,-137.19) (   0.21,-136.25)  106.91                80
 06/26/2021   10:52:40   (   0.00,-137.19) (   1.00,-141.51)  493.70                80
 06/27/2021   10:31:16   (  -0.00,-137.18) (  -0.07,-137.00)   22.15                80
 06/29/2021   22:34:28   (  -0.00,-137.16) (  -0.11,-137.77)   68.79                80
 06/30/2021   22:18:23   (  -0.00,-137.16) (   0.85,-133.23)  446.98                80
 07/02/2021   10:40:11   (   0.00,-137.16) (   0.31,-138.51)  153.94                80
 07/03/2021   10:18:46   (  -0.00,-137.15) (  -0.71,-133.98)  361.32                80
 07/04/2021   22:40:43   (   0.00,-137.12) (  -0.49,-139.28)  246.07                80
 07/05/2021   22:24:38   (   0.01,-137.11) (   0.53,-134.75)  268.85                80