Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 2 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/12/2022   11:00:28   (  -0.04,-137.20) (   0.26,-138.45)  142.99                80
 02/13/2022   10:39:26   (  -0.03,-137.20) (  -0.77,-134.01)  363.58                80
 02/14/2022   23:01:54   (   0.02,-137.18) (  -0.48,-139.42)  255.93                80
 02/15/2022   22:46:11   (   0.01,-137.17) (   0.49,-134.97)  250.59                80
 02/17/2022   11:08:32   (  -0.00,-137.16) (   0.74,-140.36)  364.83                80
 02/18/2022   10:47:30   (  -0.00,-137.15) (  -0.29,-135.91)  141.05                80
 02/19/2022   23:09:58   (   0.01,-137.12) (  -0.95,-141.33)  479.72                80
 02/20/2022   22:54:15   (   0.01,-137.11) (   0.08,-136.89)   25.87                80
 02/23/2022   10:58:13   (  -0.01,-137.07) (   0.17,-137.82)   85.88                80
 02/24/2022   10:37:10   (  -0.00,-137.04) (  -0.81,-133.37)  418.90                80
 02/25/2022   22:59:38   (  -0.01,-137.00) (  -0.44,-138.78)  203.91                80