Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 11 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)
 11/13/2022   22:58:25   (  -0.01,-137.34) (   0.44,-135.47)  213.67                80
 11/15/2022   11:20:53   (   0.01,-137.34) (   0.79,-140.88)  402.95                80
 11/16/2022   10:59:53   (   0.01,-137.34) (  -0.17,-136.43)  102.39                80
 11/18/2022   23:04:10   (  -0.00,-137.32) (  -0.05,-137.44)   14.42                80
 11/19/2022   22:48:32   (  -0.00,-137.32) (   0.97,-133.01)  490.81                80
 11/21/2022   11:10:59   (   0.00,-137.31) (   0.24,-138.42)  126.59                80
 11/22/2022   10:49:59   (   0.00,-137.30) (  -0.72,-133.98)  377.87                80
 11/23/2022   23:12:35   (  -0.00,-137.27) (  -0.51,-139.42)  245.58                80
 11/24/2022   22:56:56   (  -0.00,-137.25) (   0.51,-134.99)  258.23                80
 11/26/2022   11:19:22   (   0.00,-137.23) (   0.74,-140.39)  360.98                80
 11/27/2022   10:58:24   (  -0.00,-137.21) (  -0.29,-135.96)  142.15                80