Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 3 27.  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   11:09:48   (  -0.04,-137.20) (   0.65,-140.38)  361.86                80
 03/28/2022   10:48:44   (  -0.04,-137.20) (  -0.34,-135.93)  146.00                80
 03/29/2022   23:13:54   (   0.03,-137.21) (  -0.88,-141.35)  471.12                80
 03/30/2022   22:52:50   (   0.03,-137.21) (   0.11,-136.89)   36.67                80
 04/02/2022   10:59:26   (  -0.03,-137.22) (   0.12,-137.82)   69.15                80
 04/03/2022   10:38:23   (  -0.03,-137.22) (  -0.87,-133.37)  438.17                80
 04/04/2022   23:03:32   (   0.03,-137.22) (  -0.35,-138.79)  180.10                80
 04/05/2022   22:42:28   (   0.03,-137.21) (   0.65,-134.34)  326.88                80
 04/07/2022   11:07:28   (  -0.02,-137.20) (   0.57,-139.72)  287.81                80
 04/08/2022   10:46:24   (  -0.02,-137.19) (  -0.43,-135.27)  218.71                80
 04/09/2022   23:08:53   (   0.02,-137.17) (  -0.78,-140.69)  400.86                80