Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 7 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/16/2022   23:07:39   (  -0.05,-137.28) (  -0.39,-138.87)  180.20                80
 07/17/2022   22:46:33   (  -0.05,-137.29) (   0.57,-134.40)  328.44                80
 07/19/2022   11:11:32   (   0.05,-137.30) (   0.61,-139.78)  283.16                80
 07/20/2022   10:50:27   (   0.05,-137.30) (  -0.41,-135.33)  225.17                80
 07/21/2022   23:15:34   (  -0.05,-137.30) (  -0.84,-140.73)  391.92                80
 07/22/2022   22:54:29   (  -0.04,-137.30) (   0.19,-136.28)  115.99                80
 07/24/2022   11:19:26   (   0.04,-137.29) (   1.04,-141.65)  496.77                80
 07/25/2022   10:58:22   (   0.03,-137.29) (   0.02,-137.19)   10.61                80
 07/27/2022   23:02:24   (  -0.02,-137.26) (  -0.24,-138.14)  101.01                80
 07/28/2022   22:46:39   (  -0.02,-137.25) (   0.78,-133.69)  406.05                80
 07/30/2022   11:08:57   (   0.03,-137.24) (   0.43,-139.06)  207.58                80