Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 3 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/27/2022   11:09:47   (  -0.03,-137.20) (   0.69,-140.37)  361.56                80
 03/28/2022   10:48:44   (  -0.02,-137.20) (  -0.30,-135.92)  146.24                80
 03/29/2022   23:13:53   (   0.02,-137.21) (  -0.92,-141.34)  470.89                80
 03/30/2022   22:55:30   (   0.02,-137.21) (   0.07,-136.89)   36.88                80
 04/02/2022   10:59:26   (  -0.02,-137.22) (   0.10,-137.83)   69.24                80
 04/03/2022   10:38:23   (  -0.02,-137.21) (  -0.90,-133.37)  438.05                80
 04/04/2022   23:00:52   (   0.02,-137.21) (  -0.32,-138.80)  180.28                80
 04/05/2022   22:45:09   (   0.02,-137.21) (   0.68,-134.34)  326.64                80
 04/07/2022   11:07:28   (  -0.02,-137.19) (   0.54,-139.72)  288.21                80
 04/08/2022   10:46:25   (  -0.01,-137.18) (  -0.46,-135.27)  218.24                80