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

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2022   11:03:36   (   0.06,-137.30) (   0.19,-137.95)   73.72                80
 09/18/2022   10:47:51   (   0.06,-137.29) (  -0.81,-133.48)  433.72                80
 09/19/2022   23:07:36   (  -0.05,-137.27) (  -0.43,-138.88)  184.36                80
 09/20/2022   22:51:51   (  -0.04,-137.26) (   0.57,-134.42)  322.80                80
 09/22/2022   11:11:28   (   0.03,-137.24) (   0.63,-139.79)  291.95                80
 09/23/2022   10:55:42   (   0.03,-137.22) (  -0.36,-135.33)  214.95                80
 09/24/2022   23:15:28   (  -0.03,-137.20) (  -0.85,-140.74)  403.88                80
 09/25/2022   22:59:42   (  -0.03,-137.18) (   0.15,-136.27)  102.92                80
 09/28/2022   11:00:54   (   0.03,-137.13) (   0.06,-137.18)    6.74                80
 09/29/2022   10:45:09   (   0.03,-137.11) (  -0.94,-132.72)  499.66                80
 09/30/2022   23:04:54   (  -0.03,-137.07) (  -0.25,-138.13)  120.90                80