Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 7 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/06/2022   22:49:07   (  -0.05,-137.19) (   0.41,-135.12)  235.93                80
 07/08/2022   11:14:06   (   0.05,-137.19) (   0.81,-140.50)  377.35                80
 07/09/2022   10:53:01   (   0.04,-137.18) (  -0.21,-136.04)  129.73                80
 07/10/2022   23:18:08   (  -0.04,-137.16) (  -1.02,-141.45)  489.26                80
 07/11/2022   22:57:03   (  -0.03,-137.15) (  -0.01,-136.99)   17.18                80
 07/14/2022   11:03:37   (   0.02,-137.11) (   0.19,-137.92)   92.03                80
 07/15/2022   10:42:33   (   0.02,-137.09) (  -0.83,-133.46)  414.06                80
 07/16/2022   23:07:39   (  -0.02,-137.06) (  -0.41,-138.87)  205.97                80
 07/17/2022   22:49:13   (  -0.02,-137.04) (   0.55,-134.40)  300.24                80
 07/19/2022   11:11:32   (   0.03,-137.01) (   0.64,-139.78)  315.10                80