Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2022   23:12:15   (  -0.00,-137.28) (  -0.26,-138.45)  132.87                80
 12/16/2022   22:51:15   (   0.00,-137.28) (   0.72,-134.01)  371.85                80
 12/18/2022   11:16:22   (   0.00,-137.27) (   0.48,-139.42)  245.04                80
 12/19/2022   10:55:22   (   0.00,-137.25) (  -0.50,-134.98)  259.20                80
 12/20/2022   23:20:38   (  -0.01,-137.22) (  -0.74,-140.41)  364.71                80
 12/21/2022   23:02:18   (  -0.01,-137.20) (   0.25,-135.97)  138.97                80
 12/23/2022   11:24:44   (   0.02,-137.17) (   0.94,-141.38)  479.65                80
 12/24/2022   11:03:45   (   0.02,-137.14) (  -0.04,-136.94)   23.30                80
 12/26/2022   23:10:41   (  -0.01,-137.06) (  -0.19,-137.94)   99.87                80
 12/27/2022   22:49:41   (  -0.01,-137.04) (   0.80,-133.50)  402.87                80
 12/29/2022   11:14:47   (   0.01,-137.00) (   0.45,-138.90)  216.44                80