Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 9 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/13/2022   23:18:09   (  -0.06,-137.31) (  -1.03,-141.49)  476.77                80
 09/14/2022   23:02:25   (  -0.06,-137.31) (   0.02,-137.04)   31.68                80
 09/17/2022   11:03:36   (   0.06,-137.31) (   0.19,-137.95)   72.99                80
 09/18/2022   10:47:51   (   0.06,-137.30) (  -0.80,-133.49)  434.61                80
 09/19/2022   23:07:36   (  -0.05,-137.28) (  -0.43,-138.89)  183.95                80
 09/20/2022   22:51:51   (  -0.04,-137.27) (   0.57,-134.43)  323.37                80
 09/22/2022   11:11:29   (   0.03,-137.26) (   0.59,-139.81)  290.46                80
 09/23/2022   10:55:44   (   0.03,-137.24) (  -0.41,-135.35)  216.59                80
 09/24/2022   23:15:29   (  -0.03,-137.22) (  -0.81,-140.75)  402.65                80
 09/25/2022   22:59:43   (  -0.03,-137.20) (   0.19,-136.29)  104.26                80