Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 2 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/09/2022   22:53:50   (   0.04,-137.20) (  -0.04,-137.51)   35.40                80
 02/10/2022   22:38:07   (   0.04,-137.20) (   0.98,-133.07)  471.69                80
 02/12/2022   11:00:29   (  -0.03,-137.20) (   0.25,-138.46)  142.96                80
 02/13/2022   10:39:25   (  -0.03,-137.20) (  -0.72,-134.00)  363.67                80
 02/14/2022   23:04:34   (   0.01,-137.18) (  -0.47,-139.43)  255.55                80
 02/15/2022   22:46:11   (   0.00,-137.17) (   0.50,-134.97)  250.94                80
 02/17/2022   11:08:32   (   0.00,-137.16) (   0.73,-140.36)  364.59                80
 02/18/2022   10:47:30   (   0.00,-137.15) (  -0.30,-135.92)  141.33                80
 02/19/2022   23:09:58   (   0.00,-137.13) (  -0.94,-141.33)  479.37                80
 02/20/2022   22:51:36   (   0.00,-137.11) (   0.08,-136.89)   26.39                80