Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 5 27.  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)
 05/28/2021   22:37:03   (   0.01,-137.18) (  -0.12,-137.72)   61.38                80
 05/29/2021   22:18:18   (   0.01,-137.18) (   0.89,-133.19)  453.99                80
 05/31/2021   10:40:07   (  -0.01,-137.16) (   0.27,-138.47)  148.01                80
 06/01/2021   10:18:42   (  -0.01,-137.15) (  -0.74,-133.93)  367.18                80
 06/02/2021   22:40:39   (   0.00,-137.14) (  -0.48,-139.24)  239.21                80
 06/03/2021   22:24:34   (   0.00,-137.13) (   0.53,-134.71)  276.02                80
 06/05/2021   10:46:22   (  -0.00,-137.12) (   0.63,-139.98)  326.25                80
 06/06/2021   10:24:58   (  -0.00,-137.10) (  -0.38,-135.45)  188.51                80
 06/07/2021   22:46:54   (   0.00,-137.08) (  -0.83,-140.75)  419.04                80
 06/08/2021   22:30:50   (   0.01,-137.06) (   0.18,-136.22)   95.41                80