Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 9 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/25/2022   22:59:42   (  -0.04,-137.33) (   0.17,-136.27)  119.77                80
 09/27/2022   11:19:20   (   0.04,-137.33) (   1.04,-141.65)  492.86                80
 09/28/2022   11:00:54   (   0.04,-137.32) (   0.04,-137.18)   15.48                80
 09/30/2022   23:04:54   (  -0.04,-137.30) (  -0.23,-138.13)   94.80                80
 10/01/2022   22:49:09   (  -0.04,-137.28) (   0.78,-133.67)  412.30                80
 10/03/2022   11:08:46   (   0.03,-137.26) (   0.44,-139.04)  202.77                80
 10/04/2022   10:53:01   (   0.03,-137.24) (  -0.57,-134.58)  303.82                80
 10/05/2022   23:12:46   (  -0.02,-137.21) (  -0.61,-139.99)  315.34                80
 10/06/2022   22:56:59   (  -0.02,-137.20) (   0.34,-135.51)  191.30                80
 10/08/2022   11:16:38   (   0.01,-137.17) (   0.82,-140.89)  424.06                80