Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 1 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/11/2022   10:46:01   (  -0.03,-137.20) (  -0.33,-135.84)  155.38                80
 01/12/2022   23:08:32   (   0.03,-137.18) (  -0.86,-141.27)  465.25                80
 01/13/2022   22:52:48   (   0.02,-137.17) (   0.09,-136.81)   40.81                80
 01/16/2022   10:54:07   (   0.01,-137.14) (   0.13,-137.76)   69.36                80
 01/17/2022   10:35:43   (   0.02,-137.13) (  -0.82,-133.30)  436.05                80
 01/18/2022   22:58:14   (  -0.02,-137.09) (  -0.36,-138.73)  186.21                80
 01/19/2022   22:42:30   (  -0.02,-137.07) (   0.60,-134.27)  318.72                80
 01/21/2022   11:04:53   (   0.01,-137.05) (   0.58,-139.67)  298.70                80
 01/22/2022   10:43:49   (   0.01,-137.03) (  -0.37,-135.22)  205.81                80
 01/23/2022   23:06:18   (  -0.01,-136.98) (  -0.85,-140.64)  417.45                80
 01/24/2022   22:50:36   (  -0.01,-136.96) (   0.16,-136.19)   86.79                80