Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 9 13.  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)
 09/14/2021   10:49:54   (   0.04,-137.19) (   1.01,-141.54)  496.08                80
 09/15/2021   10:33:49   (   0.04,-137.18) (  -0.03,-137.01)   19.46                80
 09/17/2021   22:34:20   (  -0.02,-137.14) (  -0.17,-137.78)   72.91                80
 09/18/2021   22:18:16   (  -0.02,-137.13) (   0.87,-133.25)  442.29                80
 09/20/2021   10:37:23   (   0.01,-137.12) (   0.30,-138.52)  159.41                80
 09/21/2021   10:21:17   (   0.02,-137.11) (  -0.68,-133.98)  355.81                80
 09/22/2021   22:40:34   (  -0.02,-137.08) (  -0.49,-139.29)  251.67                80
 09/23/2021   22:24:28   (  -0.02,-137.06) (   0.50,-134.75)  263.28                80
 09/25/2021   10:43:35   (   0.02,-137.05) (   0.67,-140.02)  339.16                80
 09/26/2021   10:27:30   (   0.02,-137.03) (  -0.31,-135.48)  175.24                80