Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/20/2022   11:16:15   (  -0.00,-137.19) (   0.98,-141.47)  488.35                80
 05/21/2022   10:55:11   (  -0.01,-137.18) (  -0.06,-137.02)   18.79                80
 05/23/2022   23:01:54   (   0.00,-137.16) (  -0.17,-137.98)   92.52                80
 05/24/2022   22:40:50   (   0.00,-137.16) (   0.82,-133.52)  414.63                80
 05/26/2022   11:05:49   (  -0.00,-137.15) (   0.39,-138.90)  199.39                80
 05/27/2022   10:44:45   (  -0.00,-137.14) (  -0.59,-134.44)  307.39                80
 05/28/2022   23:07:12   (   0.00,-137.12) (  -0.60,-139.86)  311.86                80
 05/29/2022   22:51:27   (   0.01,-137.10) (   0.39,-135.40)  194.57                80
 05/31/2022   11:13:47   (  -0.00,-137.09) (   0.82,-140.78)  420.75                80
 06/01/2022   10:52:42   (  -0.01,-137.07) (  -0.17,-136.32)   85.19                80