Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 1 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)
 01/16/2022   10:54:07   (  -0.03,-137.21) (   0.09,-137.76)   63.21                80
 01/17/2022   10:38:25   (  -0.03,-137.21) (  -0.92,-133.32)  444.40                80
 01/18/2022   22:58:14   (   0.03,-137.21) (  -0.32,-138.74)  174.17                80
 01/19/2022   22:42:32   (   0.03,-137.21) (   0.70,-134.29)  333.10                80
 01/21/2022   11:04:53   (  -0.03,-137.22) (   0.54,-139.68)  280.80                80
 01/22/2022   10:43:51   (  -0.03,-137.22) (  -0.47,-135.24)  226.15                80
 01/23/2022   23:06:20   (   0.03,-137.21) (  -0.75,-140.66)  393.32                80
 01/24/2022   22:50:38   (   0.03,-137.21) (   0.27,-136.22)  113.33                80
 01/27/2022   10:54:36   (  -0.02,-137.19) (  -0.04,-137.16)    4.50                80
 01/29/2022   22:56:02   (  -0.02,-137.15) (  -0.20,-138.13)  110.68                80