Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 5 5.  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)
 05/06/2021   22:49:27   (   0.01,-137.19) (  -0.75,-140.70)  399.28                80
 05/07/2021   22:28:02   (   0.02,-137.19) (   0.25,-136.17)  116.53                80
 05/09/2021   10:52:31   (  -0.01,-137.18) (   0.92,-141.44)  485.44                80
 05/10/2021   10:31:06   (  -0.02,-137.17) (  -0.08,-136.91)   29.91                80
 05/12/2021   22:34:19   (   0.02,-137.15) (  -0.08,-137.69)   61.08                80
 05/13/2021   22:18:15   (   0.02,-137.14) (   0.92,-133.16)  453.78                80
 05/15/2021   10:40:02   (  -0.01,-137.12) (   0.31,-138.43)  149.92                80
 05/16/2021   10:18:38   (  -0.01,-137.10) (  -0.76,-133.91)  364.34                80
 05/17/2021   22:40:35   (   0.01,-137.07) (  -0.47,-139.21)  243.37                80
 05/18/2021   22:24:30   (   0.01,-137.05) (   0.54,-134.68)  270.62                80