Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 8 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)
 08/26/2022   11:08:55   (   0.07,-137.31) (   0.54,-139.44)  242.48                80
 08/27/2022   10:53:09   (   0.07,-137.30) (  -0.44,-134.97)  265.33                80
 08/28/2022   23:12:56   (  -0.07,-137.30) (  -0.79,-140.38)  352.32                80
 08/29/2022   22:57:11   (  -0.07,-137.29) (   0.25,-135.93)  155.31                80
 08/31/2022   11:16:48   (   0.07,-137.27) (   0.99,-141.29)  458.51                80
 09/01/2022   11:01:03   (   0.07,-137.26) (  -0.05,-136.84)   48.60                80
 09/03/2022   23:02:24   (  -0.06,-137.22) (  -0.18,-137.79)   64.30                80
 09/04/2022   22:46:38   (  -0.06,-137.20) (   0.81,-133.32)  441.78                80
 09/06/2022   11:06:16   (   0.05,-137.16) (   0.38,-138.70)  174.49                80
 09/07/2022   10:50:30   (   0.05,-137.14) (  -0.60,-134.23)  331.16                80
 09/08/2022   23:10:17   (  -0.04,-137.10) (  -0.60,-139.64)  289.57                80