Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 6 19.  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)
 06/19/2021   22:21:57   (  -0.02,-137.19) (   0.53,-134.73)  280.55                80
 06/21/2021   10:46:25   (   0.02,-137.19) (   0.62,-140.01)  320.53                80
 06/22/2021   10:25:01   (   0.01,-137.18) (  -0.39,-135.48)  194.80                80
 06/23/2021   22:49:37   (  -0.01,-137.16) (  -0.81,-140.78)  411.99                80
 06/24/2021   22:28:12   (  -0.00,-137.15) (   0.21,-136.25)  102.88                80
 06/26/2021   10:52:40   (  -0.00,-137.14) (   1.01,-141.51)  499.62                80
 06/27/2021   10:31:15   (  -0.00,-137.12) (  -0.01,-136.98)   15.31                80
 06/29/2021   22:34:27   (   0.00,-137.08) (  -0.17,-137.76)   77.56                80
 06/30/2021   22:18:23   (   0.00,-137.07) (   0.85,-133.23)  437.22                80
 07/02/2021   10:40:11   (  -0.00,-137.05) (   0.31,-138.51)  165.61                80
 07/03/2021   10:18:46   (  -0.00,-137.03) (  -0.71,-133.98)  348.77                80