Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 6 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/27/2022   11:16:40   (   0.04,-137.19) (   0.92,-141.23)  459.18                80
 06/28/2022   10:55:35   (   0.03,-137.19) (  -0.09,-136.77)   48.34                80
 06/30/2022   23:02:16   (  -0.02,-137.17) (  -0.17,-137.71)   62.15                80
 07/01/2022   22:41:12   (  -0.02,-137.17) (   0.84,-133.26)  445.00                80
 07/03/2022   11:06:10   (   0.03,-137.15) (   0.38,-138.63)  169.34                80
 07/04/2022   10:45:06   (   0.02,-137.14) (  -0.64,-134.18)  337.59                80
 07/05/2022   23:10:12   (  -0.03,-137.12) (  -0.58,-139.59)  280.88                80
 07/06/2022   22:49:08   (  -0.03,-137.11) (   0.44,-135.13)  225.72                80
 07/08/2022   11:14:06   (   0.03,-137.08) (   0.77,-140.51)  389.74                80
 07/09/2022   10:53:00   (   0.02,-137.07) (  -0.19,-136.04)  116.21                80