Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 6 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/22/2022   11:08:43   (   0.04,-137.19) (   0.55,-139.35)  246.29                80
 06/23/2022   10:47:39   (   0.03,-137.19) (  -0.46,-134.89)  261.90                80
 06/24/2022   23:12:45   (  -0.04,-137.19) (  -0.76,-140.30)  354.96                80
 06/25/2022   22:51:41   (  -0.03,-137.19) (   0.25,-135.84)  152.81                80
 06/27/2022   11:16:40   (   0.03,-137.19) (   0.93,-141.23)  460.36                80
 06/28/2022   10:55:35   (   0.02,-137.18) (  -0.09,-136.77)   46.90                80
 06/30/2022   23:02:17   (  -0.01,-137.16) (  -0.12,-137.73)   64.51                80
 07/01/2022   22:41:13   (  -0.01,-137.15) (   0.90,-133.27)  442.48                80
 07/03/2022   11:06:11   (   0.01,-137.13) (   0.33,-138.65)  171.72                80
 07/04/2022   10:45:06   (   0.01,-137.12) (  -0.63,-134.18)  335.05                80
 07/05/2022   23:10:12   (  -0.01,-137.10) (  -0.59,-139.59)  284.22                80