Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 7 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/11/2022   22:57:03   (  -0.04,-137.26) (  -0.00,-136.99)   29.95                80
 07/14/2022   11:03:37   (   0.03,-137.28) (   0.18,-137.92)   73.06                80
 07/15/2022   10:42:33   (   0.03,-137.28) (  -0.84,-133.46)  435.07                80
 07/16/2022   23:07:39   (  -0.04,-137.27) (  -0.40,-138.87)  182.75                80
 07/17/2022   22:46:34   (  -0.04,-137.27) (   0.62,-134.41)  325.48                80
 07/19/2022   11:11:32   (   0.04,-137.28) (   0.63,-139.78)  285.75                80
 07/20/2022   10:50:27   (   0.04,-137.28) (  -0.40,-135.33)  222.19                80
 07/21/2022   23:15:33   (  -0.03,-137.26) (  -0.85,-140.73)  396.57                80
 07/22/2022   22:57:09   (  -0.03,-137.25) (   0.18,-136.28)  110.94                80