Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 6 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/01/2022   10:52:42   (  -0.00,-137.20) (  -0.22,-136.32)  100.19                80
 06/03/2022   22:59:24   (   0.00,-137.19) (  -0.02,-137.27)    9.54                80
 06/04/2022   22:38:20   (   0.00,-137.18) (   0.97,-132.81)  497.90                80
 06/06/2022   11:03:19   (   0.00,-137.18) (   0.23,-138.20)  115.90                80
 06/07/2022   10:42:14   (  -0.00,-137.17) (  -0.77,-133.74)  391.30                80
 06/08/2022   23:07:21   (  -0.00,-137.16) (  -0.45,-139.15)  226.84                80
 06/09/2022   22:46:16   (  -0.00,-137.15) (   0.55,-134.69)  280.00                80
 06/11/2022   11:11:16   (   0.00,-137.13) (   0.65,-140.07)  335.13                80
 06/12/2022   10:50:11   (  -0.00,-137.11) (  -0.35,-135.62)  171.06                80
 06/13/2022   23:15:17   (   0.00,-137.08) (  -0.86,-141.02)  448.95                80
 06/14/2022   22:56:53   (   0.01,-137.06) (   0.14,-136.57)   56.72                80