Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/15/2022   11:08:16   (  -0.01,-137.20) (   0.54,-139.59)  272.08                80
 05/16/2022   10:47:13   (  -0.01,-137.20) (  -0.49,-135.14)  235.32                80
 05/17/2022   23:12:20   (   0.01,-137.19) (  -0.74,-140.55)  383.46                80
 05/18/2022   22:51:16   (   0.01,-137.18) (   0.24,-136.09)  123.44                80
 05/20/2022   11:16:15   (  -0.01,-137.17) (   0.96,-141.47)  490.71                80
 05/21/2022   10:55:11   (  -0.01,-137.16) (  -0.02,-137.01)   16.06                80
 05/23/2022   22:59:14   (   0.00,-137.12) (  -0.21,-137.97)   97.06                80
 05/24/2022   22:43:30   (   0.00,-137.11) (   0.84,-133.52)  409.60                80
 05/26/2022   11:05:49   (  -0.00,-137.10) (   0.37,-138.90)  205.06                80
 05/27/2022   10:44:45   (  -0.00,-137.09) (  -0.61,-134.45)  301.28                80