Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 6 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)
 06/25/2022   22:51:41   (  -0.03,-137.20) (   0.25,-135.84)  154.26                80
 06/27/2022   11:16:40   (   0.04,-137.20) (   0.93,-141.23)  458.79                80
 06/28/2022   10:55:35   (   0.03,-137.20) (  -0.08,-136.77)   48.83                80
 06/30/2022   23:02:17   (  -0.02,-137.18) (  -0.12,-137.72)   61.15                80
 07/01/2022   22:41:13   (  -0.02,-137.18) (   0.89,-133.27)  446.17                80
 07/03/2022   11:06:11   (   0.02,-137.17) (   0.33,-138.64)  167.92                80
 07/04/2022   10:45:06   (   0.02,-137.16) (  -0.62,-134.18)  339.20                80
 07/05/2022   23:10:12   (  -0.03,-137.14) (  -0.59,-139.58)  279.02                80
 07/06/2022   22:49:07   (  -0.02,-137.13) (   0.42,-135.13)  227.74                80
 07/08/2022   11:14:06   (   0.02,-137.11) (   0.79,-140.51)  387.44                80