Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 9 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/24/2022   23:15:29   (  -0.04,-137.33) (  -0.79,-140.75)  388.93                80
 09/25/2022   22:59:43   (  -0.04,-137.33) (   0.21,-136.28)  119.67                80
 09/27/2022   11:19:21   (   0.04,-137.33) (   0.99,-141.66)  492.95                80
 09/28/2022   11:03:35   (   0.04,-137.32) (  -0.01,-137.19)   15.23                80
 09/30/2022   23:04:54   (  -0.04,-137.30) (  -0.25,-138.13)   94.94                80
 10/01/2022   22:49:08   (  -0.04,-137.28) (   0.76,-133.67)  412.19                80
 10/03/2022   11:08:46   (   0.03,-137.26) (   0.46,-139.03)  202.92                80
 10/04/2022   10:53:00   (   0.03,-137.24) (  -0.55,-134.57)  303.70                80
 10/05/2022   23:12:46   (  -0.02,-137.21) (  -0.64,-139.98)  315.47                80
 10/06/2022   22:57:00   (  -0.02,-137.20) (   0.37,-135.52)  191.13                80