Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 9 29.  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)
 09/30/2021   10:49:48   (   0.04,-137.19) (   1.03,-141.52)  493.36                80
 10/01/2021   10:33:44   (   0.04,-137.19) (  -0.01,-136.99)   22.29                80
 10/03/2021   22:34:15   (  -0.03,-137.17) (  -0.17,-137.76)   67.80                80
 10/04/2021   22:18:10   (  -0.03,-137.16) (   0.88,-133.24)  447.58                80
 10/06/2021   10:37:16   (   0.03,-137.13) (   0.34,-138.49)  155.40                80
 10/07/2021   10:21:12   (   0.03,-137.12) (  -0.70,-133.97)  359.59                80
 10/08/2021   22:40:27   (  -0.03,-137.09) (  -0.51,-139.26)  247.24                80
 10/09/2021   22:24:22   (  -0.03,-137.07) (   0.48,-134.73)  267.18                80
 10/11/2021   10:43:29   (   0.02,-137.04) (   0.69,-140.00)  337.49                80
 10/12/2021   10:27:24   (   0.02,-137.01) (  -0.30,-135.46)  176.25                80