Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 5 20.  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)
 05/20/2021   10:46:19   (  -0.01,-137.20) (   0.59,-139.96)  313.52                80
 05/21/2021   10:24:55   (  -0.01,-137.20) (  -0.41,-135.43)  202.33                80
 05/22/2021   22:49:31   (   0.00,-137.19) (  -0.81,-140.72)  403.60                80
 05/23/2021   22:28:07   (   0.01,-137.18) (   0.26,-136.21)  111.92                80
 05/25/2021   10:52:35   (  -0.00,-137.17) (   0.96,-141.47)  489.80                80
 05/26/2021   10:31:10   (  -0.01,-137.16) (  -0.04,-136.94)   25.06                80
 05/28/2021   22:34:23   (   0.01,-137.12) (  -0.11,-137.72)   68.29                80
 05/29/2021   22:18:19   (   0.01,-137.10) (   0.90,-133.19)  446.15                80
 05/31/2021   10:40:06   (  -0.01,-137.08) (   0.32,-138.46)  156.94                80
 06/01/2021   10:18:41   (  -0.01,-137.06) (  -0.69,-133.93)  357.35                80
 06/02/2021   22:40:38   (   0.00,-137.03) (  -0.51,-139.23)  251.01                80