Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 5 3.  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,-137.20) (   0.60,-139.92)  310.06                80
 05/05/2021   10:24:49   (  -0.02,-137.20) (  -0.40,-135.38)  206.16                80
 05/06/2021   22:49:27   (   0.01,-137.20) (  -0.76,-140.70)  398.09                80
 05/07/2021   22:30:42   (   0.01,-137.20) (   0.24,-136.17)  118.09                80
 05/09/2021   10:52:30   (  -0.01,-137.20) (   0.93,-141.44)  483.24                80
 05/10/2021   10:31:06   (  -0.01,-137.20) (  -0.07,-136.91)   32.46                80
 05/12/2021   22:34:19   (   0.01,-137.18) (  -0.08,-137.69)   57.66                80
 05/13/2021   22:18:14   (   0.01,-137.18) (   0.92,-133.16)  457.55                80
 05/15/2021   10:40:02   (  -0.01,-137.15) (   0.30,-138.42)  145.49                80
 05/16/2021   10:18:38   (  -0.01,-137.14) (  -0.76,-133.91)  369.18                80