Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 9 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/22/2022   11:11:29   (   0.04,-137.32) (   0.58,-139.80)  282.63                80
 09/23/2022   10:55:43   (   0.04,-137.32) (  -0.42,-135.34)  225.39                80
 09/24/2022   23:15:28   (  -0.04,-137.31) (  -0.79,-140.75)  391.51                80
 09/25/2022   22:59:43   (  -0.04,-137.30) (   0.21,-136.28)  116.38                80
 09/27/2022   11:19:20   (   0.03,-137.29) (   1.00,-141.66)  497.55                80
 09/28/2022   11:03:35   (   0.04,-137.28) (  -0.01,-137.19)   10.21                80
 09/30/2022   23:04:54   (  -0.04,-137.24) (  -0.24,-138.13)  101.75                80
 10/01/2022   22:49:08   (  -0.04,-137.22) (   0.77,-133.67)  404.65                80
 10/03/2022   11:08:45   (   0.03,-137.18) (   0.44,-139.04)  211.71                80
 10/04/2022   10:53:00   (   0.02,-137.16) (  -0.57,-134.58)  294.17                80