Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 3 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)
 03/16/2022   11:12:05   (  -0.04,-137.20) (   0.82,-141.02)  434.93                80
 03/17/2022   10:51:02   (  -0.03,-137.20) (  -0.17,-136.56)   71.89                80
 03/19/2022   22:55:09   (   0.03,-137.17) (  -0.03,-137.54)   41.48                80
 03/20/2022   22:39:25   (   0.04,-137.16) (   0.95,-133.09)  464.73                80
 03/22/2022   11:01:46   (  -0.03,-137.15) (   0.26,-138.47)  150.74                80
 03/23/2022   10:40:42   (  -0.03,-137.13) (  -0.71,-134.02)  354.71                80
 03/24/2022   23:03:12   (   0.03,-137.10) (  -0.48,-139.45)  267.31                80
 03/25/2022   22:47:29   (   0.02,-137.08) (   0.49,-134.99)  237.73                80
 03/27/2022   11:09:49   (  -0.01,-137.05) (   0.72,-140.38)  379.00                80
 03/28/2022   10:48:46   (  -0.01,-137.03) (  -0.25,-135.92)  125.80                80
 03/29/2022   23:11:16   (   0.01,-136.99) (  -0.96,-141.35)  497.06                80