Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 9 6.  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)
 09/06/2021   22:40:38   (  -0.04,-137.19) (  -0.51,-139.30)  239.91                80
 09/07/2021   22:24:32   (  -0.04,-137.18) (   0.47,-134.76)  275.93                80
 09/09/2021   10:43:39   (   0.04,-137.17) (   0.71,-140.02)  326.06                80
 09/10/2021   10:27:35   (   0.04,-137.16) (  -0.33,-135.50)  189.36                80
 09/11/2021   22:46:51   (  -0.04,-137.14) (  -0.85,-140.80)  417.10                80
 09/12/2021   22:30:46   (  -0.04,-137.13) (   0.13,-136.27)   97.71                80
 09/15/2021   10:33:49   (   0.03,-137.08) (   0.01,-137.01)    8.12                80
 09/17/2021   22:34:19   (  -0.01,-137.03) (  -0.21,-137.77)   86.03                80
 09/18/2021   22:18:15   (  -0.01,-137.00) (   0.83,-133.25)  428.08                80