Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 8 16.  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)
 08/16/2021   22:34:26   (  -0.05,-137.19) (  -0.16,-137.79)   67.52                80
 08/17/2021   22:18:21   (  -0.04,-137.19) (   0.81,-133.25)  448.26                80
 08/19/2021   10:40:09   (   0.04,-137.18) (   0.32,-138.53)  153.00                80
 08/20/2021   10:18:45   (   0.03,-137.18) (  -0.71,-134.00)  362.42                80
 08/21/2021   22:40:40   (  -0.02,-137.16) (  -0.53,-139.30)  244.49                80
 08/22/2021   22:24:36   (  -0.02,-137.15) (   0.50,-134.77)  270.93                80
 08/24/2021   10:43:44   (   0.01,-137.14) (   0.63,-140.05)  330.52                80
 08/25/2021   10:27:38   (   0.02,-137.13) (  -0.34,-135.51)  184.89                80
 08/26/2021   22:46:55   (  -0.01,-137.11) (  -0.84,-140.81)  422.24                80
 08/27/2021   22:30:50   (  -0.02,-137.10) (   0.19,-136.29)   92.89                80