Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 1 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/01/2022   11:00:01   (  -0.04,-137.20) (   0.39,-139.07)  213.16                80
 02/02/2022   10:44:19   (  -0.04,-137.20) (  -0.63,-134.63)  293.44                80
 02/03/2022   23:04:07   (   0.04,-137.20) (  -0.63,-140.04)  324.86                80
 02/04/2022   22:48:25   (   0.04,-137.19) (   0.39,-135.60)  181.75                80
 02/06/2022   11:10:46   (  -0.04,-137.18) (   0.84,-140.99)  434.47                80
 02/07/2022   10:49:44   (  -0.04,-137.17) (  -0.18,-136.54)   71.80                80
 02/09/2022   22:53:49   (   0.03,-137.15) (  -0.04,-137.51)   41.37                80
 02/10/2022   22:38:06   (   0.03,-137.14) (   0.92,-133.06)  464.37                80
 02/12/2022   11:00:27   (  -0.01,-137.11) (   0.31,-138.44)  153.00                80
 02/13/2022   10:39:25   (   0.01,-137.09) (  -0.71,-134.00)  352.67                80