Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 5 4.  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)
 05/04/2021   10:46:14   (  -0.02,-137.19) (   0.60,-139.92)  310.43                80
 05/05/2021   10:24:49   (  -0.02,-137.19) (  -0.40,-135.38)  205.59                80
 05/06/2021   22:49:27   (   0.01,-137.20) (  -0.77,-140.70)  398.93                80
 05/07/2021   22:30:42   (   0.01,-137.19) (   0.23,-136.17)  117.05                80
 05/09/2021   10:52:30   (  -0.01,-137.19) (   0.93,-141.44)  484.65                80
 05/10/2021   10:31:06   (  -0.01,-137.18) (  -0.07,-136.91)   30.85                80
 05/12/2021   22:34:19   (   0.01,-137.16) (  -0.09,-137.69)   59.75                80
 05/13/2021   22:18:14   (   0.01,-137.15) (   0.91,-133.16)  455.23                80
 05/15/2021   10:40:03   (  -0.01,-137.13) (   0.26,-138.44)  148.17                80
 05/16/2021   10:18:38   (  -0.01,-137.11) (  -0.74,-133.90)  366.26                80
 05/17/2021   22:40:34   (   0.01,-137.09) (  -0.47,-139.21)  241.29                80