Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 4 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)
 04/27/2021   22:15:29   (   0.03,-137.20) (   0.93,-133.12)  465.04                80
 04/29/2021   10:39:57   (  -0.03,-137.20) (   0.25,-138.39)  136.51                80
 04/30/2021   10:18:33   (  -0.03,-137.19) (  -0.75,-133.86)  378.97                80
 05/01/2021   22:40:30   (   0.02,-137.18) (  -0.42,-139.17)  226.88                80
 05/02/2021   22:24:26   (   0.02,-137.18) (   0.58,-134.64)  288.46                80
 05/04/2021   10:46:14   (  -0.01,-137.16) (   0.59,-139.92)  313.79                80
 05/05/2021   10:24:49   (  -0.01,-137.15) (  -0.41,-135.39)  201.35                80
 05/06/2021   22:46:47   (   0.01,-137.14) (  -0.76,-140.70)  405.08                80
 05/07/2021   22:30:42   (   0.01,-137.13) (   0.24,-136.17)  110.04                80
 05/09/2021   10:52:30   (  -0.01,-137.11) (   0.99,-141.43)  492.61                80
 05/10/2021   10:31:06   (  -0.01,-137.10) (  -0.07,-136.91)   22.16                80