Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 9 19.  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)
 09/20/2021   10:37:23   (   0.03,-137.20) (   0.30,-138.52)  150.35                80
 09/21/2021   10:21:17   (   0.03,-137.19) (  -0.68,-133.98)  365.87                80
 09/22/2021   22:40:34   (  -0.03,-137.18) (  -0.49,-139.29)  240.06                80
 09/23/2021   22:24:28   (  -0.03,-137.18) (   0.49,-134.75)  275.91                80
 09/25/2021   10:43:35   (   0.03,-137.17) (   0.68,-140.02)  325.00                80
 09/26/2021   10:27:31   (   0.03,-137.16) (  -0.36,-135.49)  190.42                80
 09/27/2021   22:46:46   (  -0.02,-137.13) (  -0.86,-140.79)  417.02                80
 09/28/2021   22:30:42   (  -0.02,-137.12) (   0.18,-136.26)   97.88                80
 10/01/2021   10:33:44   (   0.01,-137.08) (   0.01,-136.99)   10.00                80