Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 2 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/04/2022   22:48:25   (   0.04,-137.19) (   0.37,-135.59)  181.19                80
 02/06/2022   11:10:47   (  -0.04,-137.17) (   0.81,-140.99)  435.13                80
 02/07/2022   10:49:43   (  -0.04,-137.16) (  -0.15,-136.54)   71.01                80
 02/09/2022   22:53:49   (   0.03,-137.14) (  -0.08,-137.51)   43.01                80
 02/10/2022   22:38:07   (   0.03,-137.12) (   0.94,-133.06)  462.65                80
 02/12/2022   11:00:28   (  -0.00,-137.09) (   0.30,-138.45)  154.66                80
 02/13/2022   10:39:25   (   0.01,-137.07) (  -0.67,-133.99)  350.70                80
 02/14/2022   23:01:54   (  -0.01,-137.04) (  -0.52,-139.42)  270.62                80
 02/15/2022   22:46:10   (  -0.01,-137.02) (   0.44,-134.96)  234.08                80
 02/17/2022   11:08:32   (   0.01,-136.98) (   0.79,-140.35)  384.73                80