Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 6 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/30/2022   23:02:17   (  -0.03,-137.20) (  -0.13,-137.72)   59.53                80
 07/01/2022   22:41:13   (  -0.02,-137.19) (   0.88,-133.27)  448.10                80
 07/03/2022   11:06:11   (   0.03,-137.19) (   0.35,-138.64)  165.28                80
 07/04/2022   10:45:06   (   0.03,-137.18) (  -0.66,-134.18)  342.18                80
 07/05/2022   23:10:13   (  -0.03,-137.17) (  -0.56,-139.59)  275.66                80
 07/06/2022   22:49:08   (  -0.03,-137.16) (   0.45,-135.14)  231.44                80
 07/08/2022   11:14:07   (   0.03,-137.15) (   0.77,-140.51)  383.14                80
 07/09/2022   10:53:02   (   0.02,-137.13) (  -0.25,-136.06)  123.32                80
 07/10/2022   23:18:08   (  -0.02,-137.10) (  -0.98,-141.46)  496.57                80
 07/11/2022   22:57:04   (  -0.01,-137.08) (   0.04,-137.01)    9.57                80