Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 9 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/19/2022   23:07:37   (  -0.05,-137.33) (  -0.38,-138.89)  177.91                80
 09/20/2022   22:51:51   (  -0.05,-137.33) (   0.62,-134.43)  330.37                80
 09/22/2022   11:11:29   (   0.04,-137.32) (   0.59,-139.80)  282.76                80
 09/23/2022   10:55:43   (   0.04,-137.32) (  -0.41,-135.34)  225.23                80
 09/24/2022   23:15:29   (  -0.03,-137.31) (  -0.80,-140.75)  391.81                80
 09/25/2022   22:59:43   (  -0.04,-137.30) (   0.20,-136.28)  116.04                80
 09/27/2022   11:19:20   (   0.03,-137.29) (   1.01,-141.65)  497.79                80
 09/28/2022   11:03:35   (   0.04,-137.28) (   0.01,-137.19)    9.56                80
 09/30/2022   23:04:54   (  -0.03,-137.23) (  -0.26,-138.13)  102.23                80
 10/01/2022   22:49:08   (  -0.03,-137.21) (   0.75,-133.67)  404.19                80