Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 9 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)
 09/09/2022   22:54:32   (  -0.06,-137.30) (   0.44,-135.19)  242.07                80
 09/11/2022   11:14:09   (   0.06,-137.32) (   0.76,-140.56)  368.42                80
 09/12/2022   10:58:24   (   0.06,-137.32) (  -0.23,-136.10)  140.42                80
 09/13/2022   23:18:09   (  -0.06,-137.32) (  -1.02,-141.49)  476.82                80
 09/14/2022   23:02:25   (  -0.06,-137.32) (   0.03,-137.04)   31.81                80
 09/17/2022   11:03:37   (   0.05,-137.32) (   0.18,-137.95)   72.00                80
 09/18/2022   10:47:51   (   0.05,-137.31) (  -0.81,-133.49)  435.75                80
 09/19/2022   23:07:37   (  -0.04,-137.29) (  -0.42,-138.89)  183.09                80
 09/20/2022   22:51:51   (  -0.04,-137.28) (   0.58,-134.43)  324.37                80
 09/22/2022   11:11:29   (   0.03,-137.28) (   0.58,-139.81)  288.77                80