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   22:59:43   (  -0.04,-137.33) (   0.22,-136.28)  119.81                80
 09/27/2022   11:19:21   (   0.04,-137.33) (   0.99,-141.66)  492.80                80
 09/28/2022   11:03:35   (   0.04,-137.32) (  -0.01,-137.19)   15.53                80
 09/30/2022   23:04:54   (  -0.04,-137.30) (  -0.24,-138.13)   94.73                80
 10/01/2022   22:49:08   (  -0.04,-137.28) (   0.77,-133.67)  412.39                80
 10/03/2022   11:08:46   (   0.03,-137.26) (   0.44,-139.04)  202.66                80
 10/04/2022   10:53:00   (   0.03,-137.24) (  -0.56,-134.58)  303.94                80
 10/05/2022   23:12:46   (  -0.02,-137.21) (  -0.62,-139.98)  315.21                80
 10/06/2022   22:56:59   (  -0.02,-137.20) (   0.34,-135.51)  191.45                80
 10/08/2022   11:16:36   (   0.01,-137.17) (   0.88,-140.88)  423.89                80
 10/09/2022   11:00:51   (   0.01,-137.15) (  -0.13,-136.42)   82.70                80