Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 7 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/16/2022   23:07:39   (  -0.05,-137.28) (  -0.41,-138.86)  180.44                80
 07/17/2022   22:46:34   (  -0.05,-137.29) (   0.61,-134.41)  328.25                80
 07/19/2022   11:11:31   (   0.05,-137.30) (   0.64,-139.78)  283.09                80
 07/20/2022   10:50:27   (   0.04,-137.30) (  -0.38,-135.32)  225.32                80
 07/21/2022   23:12:54   (  -0.04,-137.30) (  -0.80,-140.74)  391.92                80
 07/22/2022   22:57:10   (  -0.04,-137.30) (   0.22,-136.29)  116.09                80
 07/24/2022   11:19:27   (   0.03,-137.30) (   1.01,-141.65)  496.44                80
 07/25/2022   10:58:23   (   0.02,-137.29) (  -0.01,-137.20)   11.04                80
 07/27/2022   23:02:24   (   0.00,-137.27) (  -0.22,-138.15)  101.18                80
 07/28/2022   22:46:40   (   0.02,-137.26) (   0.81,-133.70)  405.60                80