Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 9 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/27/2022   11:19:20   (   0.05,-137.34) (   1.03,-141.65)  490.66                80
 09/28/2022   11:03:34   (   0.05,-137.35) (   0.03,-137.18)   18.01                80
 09/30/2022   23:04:54   (  -0.05,-137.33) (  -0.22,-138.13)   91.04                80
 10/01/2022   22:49:09   (  -0.05,-137.32) (   0.79,-133.67)  416.62                80
 10/03/2022   11:08:46   (   0.04,-137.31) (   0.43,-139.04)  197.24                80
 10/04/2022   10:53:01   (   0.04,-137.30) (  -0.58,-134.58)  309.92                80
 10/05/2022   23:12:45   (  -0.03,-137.27) (  -0.66,-139.97)  308.76                80
 10/06/2022   22:56:59   (  -0.03,-137.26) (   0.35,-135.51)  198.43                80
 10/08/2022   11:16:37   (   0.02,-137.24) (   0.87,-140.88)  415.74                80
 10/09/2022   11:00:51   (   0.02,-137.23) (  -0.14,-136.42)   91.40                80