Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2020 5 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/31/2020   22:45:05   (  -0.00,-137.19) (  -0.28,-138.32)  128.63                80
 06/01/2020   22:23:29   (   0.00,-137.19) (   0.78,-133.75)  392.92                80
 06/03/2020   10:47:38   (  -0.00,-137.19) (   0.41,-138.93)  199.41                80
 06/04/2020   10:26:03   (  -0.00,-137.18) (  -0.66,-134.36)  321.62                80
 06/05/2020   22:47:41   (   0.01,-137.16) (  -0.56,-139.58)  276.38                80
 06/06/2020   22:31:26   (   0.01,-137.15) (   0.50,-135.01)  244.35                80
 06/08/2020   10:52:55   (  -0.00,-137.13) (   0.68,-140.20)  349.04                80
 06/09/2020   10:31:19   (  -0.00,-137.12) (  -0.32,-135.61)  171.46                80
 06/10/2020   22:52:58   (  -0.00,-137.09) (  -0.84,-140.84)  427.28                80
 06/11/2020   22:36:41   (  -0.00,-137.08) (   0.17,-136.26)   93.12                80