Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 5 30.  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)
 05/31/2021   10:40:06   (  -0.00,-137.19) (   0.29,-138.46)  145.29                80
 06/01/2021   10:18:42   (  -0.00,-137.18) (  -0.72,-133.93)  370.34                80
 06/02/2021   22:40:39   (  -0.00,-137.18) (  -0.43,-139.24)  235.14                80
 06/03/2021   22:24:35   (   0.00,-137.17) (   0.58,-134.71)  280.56                80
 06/05/2021   10:46:22   (   0.00,-137.16) (   0.64,-139.98)  321.16                80
 06/06/2021   10:24:58   (  -0.00,-137.15) (  -0.37,-135.45)  194.04                80
 06/07/2021   22:46:55   (   0.00,-137.14) (  -0.78,-140.76)  412.63                80
 06/08/2021   22:30:50   (   0.01,-137.12) (   0.23,-136.23)  102.28                80
 06/11/2021   10:31:13   (  -0.01,-137.09) (  -0.03,-136.97)   13.53                80